66252934503 has 96 divisors (see below), whose sum is σ = 114476544000. Its totient is φ = 37508438016.

The previous prime is 66252934493. The next prime is 66252934511. The reversal of 66252934503 is 30543925266.

66252934503 is a `hidden beast` number, since 6 + 6 + 2 + 52 + 93 + 4 + 503 = 666.

It is not a de Polignac number, because 66252934503 - 2¹⁴ = 66252918119 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66252934403) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 147556423 + ... + 147556871.

It is an arithmetic number, because the mean of its divisors is an integer number (1192464000).

Almost surely, 2^66252934503 is an apocalyptic number.

66252934503 is a gapful number since it is divisible by the number (63) formed by its first and last digit.

66252934503 is a deficient number, since it is larger than the sum of its proper divisors (48223609497).

66252934503 is a wasteful number, since it uses less digits than its factorization.

66252934503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1083 (or 1071 counting only the distinct ones).

The product of its (nonzero) digits is 1166400, while the sum is 45.

The spelling of 66252934503 in words is "sixty-six billion, two hundred fifty-two million, nine hundred thirty-four thousand, five hundred three".