157641722672062 has 4 divisors (see below), whose sum is σ = 236462584008096. Its totient is φ = 78820861336030.

The previous prime is 157641722671973. The next prime is 157641722672101. The reversal of 157641722672062 is 260276227146751.

It is a semiprime because it is the product of two primes.

It is a Smith number, since the sum of its digits (58) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 157641722671988 and 157641722672006.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39410430668014 + ... + 39410430668017.

It is an arithmetic number, because the mean of its divisors is an integer number (59115646002024).

Almost surely, 2^{157641722672062} is an apocalyptic number.

157641722672062 is a deficient number, since it is larger than the sum of its proper divisors (78820861336034).

157641722672062 is an equidigital number, since it uses as much as digits as its factorization.

157641722672062 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78820861336033.

The product of its (nonzero) digits is 23708160, while the sum is 58.

The spelling of 157641722672062 in words is "one hundred fifty-seven trillion, six hundred forty-one billion, seven hundred twenty-two million, six hundred seventy-two thousand, sixty-two".