156646337853772 has 12 divisors (see below), whose sum is σ = 295218098262976. Its totient is φ = 72298309778640.

The previous prime is 156646337853749. The next prime is 156646337853781. The reversal of 156646337853772 is 277358733646651.

It is a junction number, because it is equal to n+sod(n) for n = 156646337853695 and 156646337853704.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1506214787004 + ... + 1506214787107.

Almost surely, 2^{156646337853772} is an apocalyptic number.

It is an amenable number.

156646337853772 is a deficient number, since it is larger than the sum of its proper divisors (138571760409204).

156646337853772 is a wasteful number, since it uses less digits than its factorization.

156646337853772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3012429574128 (or 3012429574126 counting only the distinct ones).

The product of its digits is 3200601600, while the sum is 73.

The spelling of 156646337853772 in words is "one hundred fifty-six trillion, six hundred forty-six billion, three hundred thirty-seven million, eight hundred fifty-three thousand, seven hundred seventy-two".