65816072506 has 8 divisors (see below), whose sum is σ = 98735827104. Its totient is φ = 32904130140.

The previous prime is 65816072479. The next prime is 65816072519. The reversal of 65816072506 is 60527061856.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1931950 + ... + 1965721.

It is an arithmetic number, because the mean of its divisors is an integer number (12341978388).

Almost surely, 2^65816072506 is an apocalyptic number.

65816072506 is a deficient number, since it is larger than the sum of its proper divisors (32919754598).

65816072506 is a wasteful number, since it uses less digits than its factorization.

65816072506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3906116.

The product of its (nonzero) digits is 604800, while the sum is 46.

The spelling of 65816072506 in words is "sixty-five billion, eight hundred sixteen million, seventy-two thousand, five hundred six".