64475706154000 has 40 divisors (see below), whose sum is σ = 155902257485208. Its totient is φ = 25790282460800.

The previous prime is 64475706153961. The next prime is 64475706154001. The reversal of 64475706154000 is 45160757446.

It can be written as a sum of positive squares in 4 ways, for example, as 267152529424 + 64208553624576 = 516868^2 + 8013024^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is not an unprimeable number, because it can be changed into a prime (64475706154001) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16118924539 + ... + 16118928538.

Almost surely, 2^{64475706154000} is an apocalyptic number.

It is an amenable number.

64475706154000 is an abundant number, since it is smaller than the sum of its proper divisors (91426551331208).

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

64475706154000 is a wasteful number, since it uses less digits than its factorization.

64475706154000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32237853100 (or 32237853084 counting only the distinct ones).

The product of its (nonzero) digits is 2822400, while the sum is 49.

The spelling of 64475706154000 in words is "sixty-four trillion, four hundred seventy-five billion, seven hundred six million, one hundred fifty-four thousand".