1676400986925 has 36 divisors (see below), whose sum is σ = 3431566213920. Its totient is φ = 766354736160.

The previous prime is 1676400986899. The next prime is 1676400986927. The reversal of 1676400986925 is 5296890046761.

1676400986925 is a `hidden beast` number, since 1 + 67 + 6 + 400 + 9 + 86 + 92 + 5 = 666.

It is not a de Polignac number, because 1676400986925 - 2⁶ = 1676400986861 is a prime.

It is a super-2 number, since 2×1676400986925² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1676400986927) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 532189215 + ... + 532192364.

It is an arithmetic number, because the mean of its divisors is an integer number (95321283720).

Almost surely, 2^{1676400986925} is an apocalyptic number.

1676400986925 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1676400986925 is an abundant number, since it is smaller than the sum of its proper divisors (1755165226995).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1676400986925 is a wasteful number, since it uses less digits than its factorization.

1676400986925 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1064381602 (or 1064381594 counting only the distinct ones).

The product of its (nonzero) digits is 39191040, while the sum is 63.

The spelling of 1676400986925 in words is "one trillion, six hundred seventy-six billion, four hundred million, nine hundred eighty-six thousand, nine hundred twenty-five".