151664 has 10 divisors (see below), whose sum is σ = 293880. Its totient is φ = 75824.

The previous prime is 151651. The next prime is 151667. The reversal of 151664 is 466151.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (151667) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4724 + ... + 4755.

It is an arithmetic number, because the mean of its divisors is an integer number (29388).

2¹⁵¹⁶⁶⁴ is an apocalyptic number.

It is an amenable number.

151664 is a deficient number, since it is larger than the sum of its proper divisors (142216).

151664 is an equidigital number, since it uses as much as digits as its factorization.

151664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9487 (or 9481 counting only the distinct ones).

The product of its digits is 720, while the sum is 23.

The square root of 151664 is about 389.4406244859. The cubic root of 151664 is about 53.3286801496.

The spelling of 151664 in words is "one hundred fifty-one thousand, six hundred sixty-four".