64536404154 has 32 divisors (see below), whose sum is σ = 133407267840. Its totient is φ = 20800754352.

The previous prime is 64536404147. The next prime is 64536404183. The reversal of 64536404154 is 45140463546.

64536404154 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×64536404154² (a number of 22 digits) contains 22 as substring.

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, 1355224 + ... + 1402035.

It is an arithmetic number, because the mean of its divisors is an integer number (4168977120).

Almost surely, 2^64536404154 is an apocalyptic number.

64536404154 is an abundant number, since it is smaller than the sum of its proper divisors (68870863686).

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

64536404154 is a wasteful number, since it uses less digits than its factorization.

64536404154 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2757394.

The product of its (nonzero) digits is 691200, while the sum is 42.

The spelling of 64536404154 in words is "sixty-four billion, five hundred thirty-six million, four hundred four thousand, one hundred fifty-four".