66762350475 has 24 divisors (see below), whose sum is σ = 110997092160. Its totient is φ = 35407660320.

The previous prime is 66762350449. The next prime is 66762350477. The reversal of 66762350475 is 57405326766.

It is not a de Polignac number, because 66762350475 - 2¹² = 66762346379 is a prime.

It is a super-2 number, since 2×66762350475² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (66762350477) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2473069 + ... + 2499918.

It is an arithmetic number, because the mean of its divisors is an integer number (4624878840).

Almost surely, 2^66762350475 is an apocalyptic number.

66762350475 is a deficient number, since it is larger than the sum of its proper divisors (44234741685).

66762350475 is a wasteful number, since it uses less digits than its factorization.

66762350475 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4973179 (or 4973174 counting only the distinct ones).

The product of its (nonzero) digits is 6350400, while the sum is 51.

The spelling of 66762350475 in words is "sixty-six billion, seven hundred sixty-two million, three hundred fifty thousand, four hundred seventy-five".