151664457 has 12 divisors (see below), whose sum is σ = 235234896. Its totient is φ = 86665320.

The previous prime is 151664423. The next prime is 151664503. The reversal of 151664457 is 754466151.

It is not a de Polignac number, because 151664457 - 2⁶ = 151664393 is a prime.

It is not an unprimeable number, because it can be changed into a prime (151664417) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 515719 + ... + 516012.

It is an arithmetic number, because the mean of its divisors is an integer number (19602908).

Almost surely, 2^151664457 is an apocalyptic number.

It is an amenable number.

151664457 is a deficient number, since it is larger than the sum of its proper divisors (83570439).

151664457 is a wasteful number, since it uses less digits than its factorization.

151664457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1031748 (or 1031741 counting only the distinct ones).

The product of its digits is 100800, while the sum is 39.

The square root of 151664457 is about 12315.2124220413. The cubic root of 151664457 is about 533.2873371357.

The spelling of 151664457 in words is "one hundred fifty-one million, six hundred sixty-four thousand, four hundred fifty-seven".