66799529402 has 8 divisors (see below), whose sum is σ = 100200499200. Its totient is φ = 33399363004.

The previous prime is 66799529393. The next prime is 66799529417. The reversal of 66799529402 is 20492599766.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 92999 + ... + 377157.

It is an arithmetic number, because the mean of its divisors is an integer number (12525062400).

Almost surely, 2^66799529402 is an apocalyptic number.

66799529402 is a deficient number, since it is larger than the sum of its proper divisors (33400969798).

66799529402 is a wasteful number, since it uses less digits than its factorization.

66799529402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 401700.

The product of its (nonzero) digits is 14696640, while the sum is 59.

The spelling of 66799529402 in words is "sixty-six billion, seven hundred ninety-nine million, five hundred twenty-nine thousand, four hundred two".