151511601656 has 16 divisors (see below), whose sum is σ = 299036056200. Its totient is φ = 71768653344.

The previous prime is 151511601649. The next prime is 151511601677. The reversal of 151511601656 is 656106115151.

It is a happy number.

151511601656 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 498393275 + ... + 498393578.

Almost surely, 2^151511601656 is an apocalyptic number.

It is an amenable number.

151511601656 is a deficient number, since it is larger than the sum of its proper divisors (147524454544).

151511601656 is a wasteful number, since it uses less digits than its factorization.

151511601656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 996786878 (or 996786874 counting only the distinct ones).

The product of its (nonzero) digits is 27000, while the sum is 38.

The spelling of 151511601656 in words is "one hundred fifty-one billion, five hundred eleven million, six hundred one thousand, six hundred fifty-six".