66153403744100 has 36 divisors (see below), whose sum is σ = 143558478937524. Its totient is φ = 26460330564480.

The previous prime is 66153403744091. The next prime is 66153403744123. The reversal of 66153403744100 is 144730435166.

It can be written as a sum of positive squares in 6 ways, for example, as 186942087424 + 65966461656676 = 432368^2 + 8121974^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10304519 + ... + 15443118.

Almost surely, 2^{66153403744100} is an apocalyptic number.

It is an amenable number.

66153403744100 is an abundant number, since it is smaller than the sum of its proper divisors (77405075193424).

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

66153403744100 is a wasteful number, since it uses less digits than its factorization.

66153403744100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25773344 (or 25773337 counting only the distinct ones).

The product of its (nonzero) digits is 725760, while the sum is 44.

The spelling of 66153403744100 in words is "sixty-six trillion, one hundred fifty-three billion, four hundred three million, seven hundred forty-four thousand, one hundred".