155854664 has 32 divisors (see below), whose sum is σ = 337737600. Its totient is φ = 66042240.

The previous prime is 155854651. The next prime is 155854667. The reversal of 155854664 is 466458551.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (155854667) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10652 + ... + 20619.

It is an arithmetic number, because the mean of its divisors is an integer number (10554300).

Almost surely, 2^155854664 is an apocalyptic number.

155854664 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

155854664 is an abundant number, since it is smaller than the sum of its proper divisors (181882936).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

155854664 is a wasteful number, since it uses less digits than its factorization.

155854664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31373 (or 31369 counting only the distinct ones).

The product of its digits is 576000, while the sum is 44.

The square root of 155854664 is about 12484.1765447305. The cubic root of 155854664 is about 538.1540352091.

The spelling of 155854664 in words is "one hundred fifty-five million, eight hundred fifty-four thousand, six hundred sixty-four".