151660501 has 6 divisors (see below), whose sum is σ = 152207702. Its totient is φ = 151114920.

The previous prime is 151660471. The next prime is 151660511. The reversal of 151660501 is 105066151.

It can be written as a sum of positive squares in only one way, i.e., 143400625 + 8259876 = 11975^2 + 2874^2 .

It is not a de Polignac number, because 151660501 - 2⁵ = 151660469 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (151660511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 229111 + ... + 229771.

Almost surely, 2^151660501 is an apocalyptic number.

It is an amenable number.

151660501 is a deficient number, since it is larger than the sum of its proper divisors (547201).

151660501 is an frugal number, since it uses more digits than its factorization.

151660501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1619 (or 1140 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 25.

The square root of 151660501 is about 12315.0518066308. The cubic root of 151660501 is about 533.2827003581.

The spelling of 151660501 in words is "one hundred fifty-one million, six hundred sixty thousand, five hundred one".