151656506 has 8 divisors (see below), whose sum is σ = 229121760. Its totient is φ = 75282588.

The previous prime is 151656487. The next prime is 151656517. The reversal of 151656506 is 605656151.

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

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, 272486 + ... + 273041.

It is an arithmetic number, because the mean of its divisors is an integer number (28640220).

Almost surely, 2^151656506 is an apocalyptic number.

151656506 is a deficient number, since it is larger than the sum of its proper divisors (77465254).

151656506 is a wasteful number, since it uses less digits than its factorization.

151656506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 545668.

The product of its (nonzero) digits is 27000, while the sum is 35.

The square root of 151656506 is about 12314.8896056765. The cubic root of 151656506 is about 533.2780177874.

The spelling of 151656506 in words is "one hundred fifty-one million, six hundred fifty-six thousand, five hundred six".