1676639457012 has 96 divisors (see below), whose sum is σ = 4442395507200. Its totient is φ = 487903900032.

The previous prime is 1676639457007. The next prime is 1676639457019. The reversal of 1676639457012 is 2107549366761.

It is a super-2 number, since 2×1676639457012² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1676639457019) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1258039 + ... + 2221697.

It is an arithmetic number, because the mean of its divisors is an integer number (46274953200).

Almost surely, 2^{1676639457012} is an apocalyptic number.

1676639457012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1676639457012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2221197753600).

1676639457012 is an abundant number, since it is smaller than the sum of its proper divisors (2765756050188).

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

1676639457012 is a wasteful number, since it uses less digits than its factorization.

1676639457012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 964285 (or 964283 counting only the distinct ones).

The product of its (nonzero) digits is 11430720, while the sum is 57.

The spelling of 1676639457012 in words is "one trillion, six hundred seventy-six billion, six hundred thirty-nine million, four hundred fifty-seven thousand, twelve".