155151664 has 10 divisors (see below), whose sum is σ = 300606380. Its totient is φ = 77575824.

The previous prime is 155151649. The next prime is 155151691. The reversal of 155151664 is 466151551.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4848474 + ... + 4848505.

It is an arithmetic number, because the mean of its divisors is an integer number (30060638).

Almost surely, 2^155151664 is an apocalyptic number.

It is an amenable number.

155151664 is a deficient number, since it is larger than the sum of its proper divisors (145454716).

155151664 is an equidigital number, since it uses as much as digits as its factorization.

155151664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9696987 (or 9696981 counting only the distinct ones).

The product of its digits is 18000, while the sum is 34.

The square root of 155151664 is about 12455.9890815623. The cubic root of 155151664 is about 537.3436808091.

The spelling of 155151664 in words is "one hundred fifty-five million, one hundred fifty-one thousand, six hundred sixty-four".