151521164 has 24 divisors (see below), whose sum is σ = 271907328. Its totient is φ = 73841040.

The previous prime is 151521163. The next prime is 151521169. The reversal of 151521164 is 461125151.

151521164 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (151521163) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 156209 + ... + 157175.

It is an arithmetic number, because the mean of its divisors is an integer number (11329472).

Almost surely, 2^151521164 is an apocalyptic number.

It is an amenable number.

151521164 is a deficient number, since it is larger than the sum of its proper divisors (120386164).

151521164 is a wasteful number, since it uses less digits than its factorization.

151521164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1925 (or 1923 counting only the distinct ones).

The product of its digits is 1200, while the sum is 26.

The square root of 151521164 is about 12309.3933237995. The cubic root of 151521164 is about 533.1193337624.

The spelling of 151521164 in words is "one hundred fifty-one million, five hundred twenty-one thousand, one hundred sixty-four".