66696462 has 48 divisors (see below), whose sum is σ = 170857440. Its totient is φ = 18398016.

The previous prime is 66696451. The next prime is 66696493. The reversal of 66696462 is 26469666.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5473 + ... + 12780.

It is an arithmetic number, because the mean of its divisors is an integer number (3559530).

Almost surely, 2^66696462 is an apocalyptic number.

66696462 is an abundant number, since it is smaller than the sum of its proper divisors (104160978).

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

66696462 is a wasteful number, since it uses less digits than its factorization.

66696462 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18297 (or 18294 counting only the distinct ones).

The product of its digits is 559872, while the sum is 45.

The square root of 66696462 is about 8166.7901895420. The cubic root of 66696462 is about 405.5405311198.

It can be divided in two parts, 6669 and 6462, that added together give a palindrome (13131).

The spelling of 66696462 in words is "sixty-six million, six hundred ninety-six thousand, four hundred sixty-two".