156842434466 has 16 divisors (see below), whose sum is σ = 235731379200. Its totient is φ = 78265463328.

The previous prime is 156842434459. The next prime is 156842434523. The reversal of 156842434466 is 664434248651.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2037311 + ... + 2112893.

It is an arithmetic number, because the mean of its divisors is an integer number (14733211200).

Almost surely, 2^156842434466 is an apocalyptic number.

156842434466 is a deficient number, since it is larger than the sum of its proper divisors (78888944734).

156842434466 is a wasteful number, since it uses less digits than its factorization.

156842434466 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77633.

The product of its digits is 13271040, while the sum is 53.

The spelling of 156842434466 in words is "one hundred fifty-six billion, eight hundred forty-two million, four hundred thirty-four thousand, four hundred sixty-six".