151606631 has 16 divisors (see below), whose sum is σ = 170311680. Its totient is φ = 133771680.

The previous prime is 151606603. The next prime is 151606657. The reversal of 151606631 is 136606151.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-151606631 is a prime.

It is a super-2 number, since 2×151606631² = 45969141126340322, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 151606594 and 151606603.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (151606601) 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 15 ways as a sum of consecutive naturals, for example, 64505 + ... + 66813.

It is an arithmetic number, because the mean of its divisors is an integer number (10644480).

Almost surely, 2^151606631 is an apocalyptic number.

151606631 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

151606631 is a deficient number, since it is larger than the sum of its proper divisors (18705049).

151606631 is a wasteful number, since it uses less digits than its factorization.

151606631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2494.

The product of its (nonzero) digits is 3240, while the sum is 29.

The square root of 151606631 is about 12312.8644514589. The cubic root of 151606631 is about 533.2195519863.

The spelling of 151606631 in words is "one hundred fifty-one million, six hundred six thousand, six hundred thirty-one".