64401206932906 has 8 divisors (see below), whose sum is σ = 96602173331040. Its totient is φ = 32200482489228.

The previous prime is 64401206932903. The next prime is 64401206932961. The reversal of 64401206932906 is 60923960210446.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (64401206932901) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 59821716 + ... + 60888751.

It is an arithmetic number, because the mean of its divisors is an integer number (12075271666380).

Almost surely, 2^{64401206932906} is an apocalyptic number.

64401206932906 is a deficient number, since it is larger than the sum of its proper divisors (32200966398134).

64401206932906 is a wasteful number, since it uses less digits than its factorization.

64401206932906 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120977228.

The product of its (nonzero) digits is 3359232, while the sum is 52.

The spelling of 64401206932906 in words is "sixty-four trillion, four hundred one billion, two hundred six million, nine hundred thirty-two thousand, nine hundred six".