64154906 has 32 divisors (see below), whose sum is σ = 109589760. Its totient is φ = 27979776.

The previous prime is 64154861. The next prime is 64154921. The reversal of 64154906 is 60945146.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29306 + ... + 31418.

It is an arithmetic number, because the mean of its divisors is an integer number (3424680).

Almost surely, 2^64154906 is an apocalyptic number.

64154906 is a deficient number, since it is larger than the sum of its proper divisors (45434854).

64154906 is a wasteful number, since it uses less digits than its factorization.

64154906 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2198.

The product of its (nonzero) digits is 25920, while the sum is 35.

The square root of 64154906 is about 8009.6757737127. The cubic root of 64154906 is about 400.3224608110.

The spelling of 64154906 in words is "sixty-four million, one hundred fifty-four thousand, nine hundred six".