64401654 has 8 divisors (see below), whose sum is σ = 128803320. Its totient is φ = 21467216.

The previous prime is 64401647. The next prime is 64401683. The reversal of 64401654 is 45610446.

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

64401654 is an admirable number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5366799 + ... + 5366810.

It is an arithmetic number, because the mean of its divisors is an integer number (16100415).

Almost surely, 2^64401654 is an apocalyptic number.

64401654 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

64401654 is a wasteful number, since it uses less digits than its factorization.

64401654 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10733614.

The product of its (nonzero) digits is 11520, while the sum is 30.

The square root of 64401654 is about 8025.0641118934. The cubic root of 64401654 is about 400.8350347461.

The spelling of 64401654 in words is "sixty-four million, four hundred one thousand, six hundred fifty-four".