151646564 has 6 divisors (see below), whose sum is σ = 265381494. Its totient is φ = 75823280.

The previous prime is 151646531. The next prime is 151646611. The reversal of 151646564 is 465646151.

It is a happy number.

151646564 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 93276964 + 58369600 = 9658^2 + 7640^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18955817 + ... + 18955824.

It is an arithmetic number, because the mean of its divisors is an integer number (44230249).

Almost surely, 2^151646564 is an apocalyptic number.

It is an amenable number.

151646564 is a deficient number, since it is larger than the sum of its proper divisors (113734930).

151646564 is a wasteful number, since it uses less digits than its factorization.

151646564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37911645 (or 37911643 counting only the distinct ones).

The product of its digits is 86400, while the sum is 38.

The square root of 151646564 is about 12314.4859413619. The cubic root of 151646564 is about 533.2663643343.

The spelling of 151646564 in words is "one hundred fifty-one million, six hundred forty-six thousand, five hundred sixty-four".