64537080990762 has 16 divisors (see below), whose sum is σ = 135867538928160. Its totient is φ = 20380130839152.

The previous prime is 64537080990761. The next prime is 64537080990791. The reversal of 64537080990762 is 26709908073546.

It is a junction number, because it is equal to n+sod(n) for n = 64537080990693 and 64537080990702.

It is not an unprimeable number, because it can be changed into a prime (64537080990761) 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, 283057372653 + ... + 283057372880.

It is an arithmetic number, because the mean of its divisors is an integer number (8491721183010).

Almost surely, 2^{64537080990762} is an apocalyptic number.

64537080990762 is an abundant number, since it is smaller than the sum of its proper divisors (71330457937398).

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

64537080990762 is a wasteful number, since it uses less digits than its factorization.

64537080990762 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 566114745557.

The product of its (nonzero) digits is 137168640, while the sum is 66.

The spelling of 64537080990762 in words is "sixty-four trillion, five hundred thirty-seven billion, eighty million, nine hundred ninety thousand, seven hundred sixty-two".