1453686971616 has 144 divisors (see below), whose sum is σ = 4676760885888. Its totient is φ = 440511177600.

The previous prime is 1453686971599. The next prime is 1453686971617. The reversal of 1453686971616 is 6161796863541.

It is a happy number.

1453686971616 is a `hidden beast` number, since 1 + 4 + 5 + 3 + 6 + 8 + 6 + 9 + 7 + 1 + 616 = 666.

It is a tau number, because it is divible by the number of its divisors (144).

It is a super-2 number, since 2×1453686971616² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1453686971617) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8411980 + ... + 8583051.

It is an arithmetic number, because the mean of its divisors is an integer number (32477506152).

Almost surely, 2^{1453686971616} is an apocalyptic number.

1453686971616 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1453686971616 is an abundant number, since it is smaller than the sum of its proper divisors (3223073914272).

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

1453686971616 is a wasteful number, since it uses less digits than its factorization.

1453686971616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16995067 (or 16995047 counting only the distinct ones).

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

The spelling of 1453686971616 in words is "one trillion, four hundred fifty-three billion, six hundred eighty-six million, nine hundred seventy-one thousand, six hundred sixteen".