153664770 has 32 divisors (see below), whose sum is σ = 421481088. Its totient is φ = 35123328.

The previous prime is 153664769. The next prime is 153664807. The reversal of 153664770 is 77466351.

153664770 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×153664770² = 47225723078305800, which contains 22 as substring.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 365659 + ... + 366078.

It is an arithmetic number, because the mean of its divisors is an integer number (13171284).

Almost surely, 2^153664770 is an apocalyptic number.

153664770 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

153664770 is an abundant number, since it is smaller than the sum of its proper divisors (267816318).

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

153664770 is a wasteful number, since it uses less digits than its factorization.

153664770 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 731754.

The product of its (nonzero) digits is 105840, while the sum is 39.

The square root of 153664770 is about 12396.1594859053. The cubic root of 153664770 is about 535.6216258280.

The spelling of 153664770 in words is "one hundred fifty-three million, six hundred sixty-four thousand, seven hundred seventy".