157222457163272 has 16 divisors (see below), whose sum is σ = 310307481243600. Its totient is φ = 74473795498320.

The previous prime is 157222457163263. The next prime is 157222457163313. The reversal of 157222457163272 is 272361754222751.

It is a happy number.

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, 517179135254 + ... + 517179135557.

It is an arithmetic number, because the mean of its divisors is an integer number (19394217577725).

Almost surely, 2^{157222457163272} is an apocalyptic number.

It is an amenable number.

157222457163272 is a deficient number, since it is larger than the sum of its proper divisors (153085024080328).

157222457163272 is a wasteful number, since it uses less digits than its factorization.

157222457163272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1034358270836 (or 1034358270832 counting only the distinct ones).

The product of its digits is 19756800, while the sum is 56.

The spelling of 157222457163272 in words is "one hundred fifty-seven trillion, two hundred twenty-two billion, four hundred fifty-seven million, one hundred sixty-three thousand, two hundred seventy-two".