64552154969088 has 792 divisors, whose sum is σ = 198132784451784. Its totient is φ = 20232945008640.

The previous prime is 64552154969069. The next prime is 64552154969117. The reversal of 64552154969088 is 88096945125546.

64552154969088 is a `hidden beast` number, since 6 + 4 + 5 + 52 + 1 + 5 + 496 + 9 + 0 + 88 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 607950802944 + 63944204166144 = 779712^2 + 7996512^2 .

It is a super-2 number, since 2×64552154969088² (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 53042033056 + ... + 53042034272.

Almost surely, 2^{64552154969088} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 64552154969088, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (99066392225892).

64552154969088 is an abundant number, since it is smaller than the sum of its proper divisors (133580629482696).

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

64552154969088 is a wasteful number, since it uses less digits than its factorization.

64552154969088 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1471 (or 1419 counting only the distinct ones).

The product of its (nonzero) digits is 746496000, while the sum is 72.

The spelling of 64552154969088 in words is "sixty-four trillion, five hundred fifty-two billion, one hundred fifty-four million, nine hundred sixty-nine thousand, eighty-eight".