66462374057 has 4 divisors (see below), whose sum is σ = 66463169280. Its totient is φ = 66461578836.

The previous prime is 66462374039. The next prime is 66462374093. The reversal of 66462374057 is 75047326466.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 66462374057 - 2¹⁸ = 66462111913 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 66462373996 and 66462374014.

It is not an unprimeable number, because it can be changed into a prime (66462374857) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 255257 + ... + 445062.

It is an arithmetic number, because the mean of its divisors is an integer number (16615792320).

Almost surely, 2^66462374057 is an apocalyptic number.

It is an amenable number.

66462374057 is a deficient number, since it is larger than the sum of its proper divisors (795223).

66462374057 is an equidigital number, since it uses as much as digits as its factorization.

66462374057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 795222.

The product of its (nonzero) digits is 5080320, while the sum is 50.

The spelling of 66462374057 in words is "sixty-six billion, four hundred sixty-two million, three hundred seventy-four thousand, fifty-seven".