151722072057 has 8 divisors (see below), whose sum is σ = 202306778784. Its totient is φ = 101142706688.

The previous prime is 151722072053. The next prime is 151722072143. The reversal of 151722072057 is 750270227151.

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

It is a cyclic number.

It is not a de Polignac number, because 151722072057 - 2² = 151722072053 is a prime.

It is a super-2 number, since 2×151722072057² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (151722072053) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1268583 + ... + 1383020.

It is an arithmetic number, because the mean of its divisors is an integer number (25288347348).

Almost surely, 2^151722072057 is an apocalyptic number.

It is an amenable number.

151722072057 is a deficient number, since it is larger than the sum of its proper divisors (50584706727).

151722072057 is a wasteful number, since it uses less digits than its factorization.

151722072057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2670679.

The product of its (nonzero) digits is 68600, while the sum is 39.

The spelling of 151722072057 in words is "one hundred fifty-one billion, seven hundred twenty-two million, seventy-two thousand, fifty-seven".