157721654112086 has 8 divisors (see below), whose sum is σ = 236595299259000. Its totient is φ = 78856554359088.

The previous prime is 157721654112067. The next prime is 157721654112101. The reversal of 157721654112086 is 680211456127751.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×157721654112086² (a number of 29 digits) contains 22 as substring.

It is a congruent 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, 2136302336 + ... + 2136376163.

It is an arithmetic number, because the mean of its divisors is an integer number (29574412407375).

Almost surely, 2^{157721654112086} is an apocalyptic number.

157721654112086 is a deficient number, since it is larger than the sum of its proper divisors (78873645146914).

157721654112086 is a wasteful number, since it uses less digits than its factorization.

157721654112086 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4272696958.

The product of its (nonzero) digits is 5644800, while the sum is 56.

The spelling of 157721654112086 in words is "one hundred fifty-seven trillion, seven hundred twenty-one billion, six hundred fifty-four million, one hundred twelve thousand, eighty-six".