15671957460 has 48 divisors (see below), whose sum is σ = 44069852736. Its totient is φ = 4161248512.

The previous prime is 15671957459. The next prime is 15671957479. The reversal of 15671957460 is 6475917651.

It is a happy number.

It is a super-2 number, since 2×15671957460² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 546534 + ... + 574493.

It is an arithmetic number, because the mean of its divisors is an integer number (918121932).

Almost surely, 2^15671957460 is an apocalyptic number.

15671957460 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

15671957460 is an abundant number, since it is smaller than the sum of its proper divisors (28397895276).

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

15671957460 is a wasteful number, since it uses less digits than its factorization.

15671957460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1121272 (or 1121270 counting only the distinct ones).

The product of its (nonzero) digits is 1587600, while the sum is 51.

The spelling of 15671957460 in words is "fifteen billion, six hundred seventy-one million, nine hundred fifty-seven thousand, four hundred sixty".