66153598954332 has 96 divisors (see below), whose sum is σ = 155316270278400. Its totient is φ = 21914823490560.

The previous prime is 66153598954327. The next prime is 66153598954343. The reversal of 66153598954332 is 23345989535166.

It is a super-2 number, since 2×66153598954332² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6677455323 + ... + 6677465229.

It is an arithmetic number, because the mean of its divisors is an integer number (1617877815400).

Almost surely, 2^{66153598954332} is an apocalyptic number.

It is an amenable number.

66153598954332 is an abundant number, since it is smaller than the sum of its proper divisors (89162671324068).

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

66153598954332 is a wasteful number, since it uses less digits than its factorization.

66153598954332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15411 (or 15409 counting only the distinct ones).

The product of its digits is 629856000, while the sum is 69.

The spelling of 66153598954332 in words is "sixty-six trillion, one hundred fifty-three billion, five hundred ninety-eight million, nine hundred fifty-four thousand, three hundred thirty-two".