64674546420152 has 32 divisors (see below), whose sum is σ = 121810479188400. Its totient is φ = 32191789453824.

The previous prime is 64674546420119. The next prime is 64674546420193. The reversal of 64674546420152 is 25102464547646.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11487248 + ... + 16164960.

Almost surely, 2^{64674546420152} is an apocalyptic number.

It is an amenable number.

64674546420152 is a deficient number, since it is larger than the sum of its proper divisors (57135932768248).

64674546420152 is a wasteful number, since it uses less digits than its factorization.

64674546420152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4685495 (or 4685491 counting only the distinct ones).

The product of its (nonzero) digits is 38707200, while the sum is 56.

The spelling of 64674546420152 in words is "sixty-four trillion, six hundred seventy-four billion, five hundred forty-six million, four hundred twenty thousand, one hundred fifty-two".