1023162556394 has 16 divisors (see below), whose sum is σ = 1677897831456. Its totient is φ = 464065047600.

The previous prime is 1023162556349. The next prime is 1023162556417. The reversal of 1023162556394 is 4936552613201.

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, 50431712 + ... + 50451995.

It is an arithmetic number, because the mean of its divisors is an integer number (104868614466).

Almost surely, 2^{1023162556394} is an apocalyptic number.

1023162556394 is a deficient number, since it is larger than the sum of its proper divisors (654735275062).

1023162556394 is a wasteful number, since it uses less digits than its factorization.

1023162556394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100884181.

The product of its (nonzero) digits is 1166400, while the sum is 47.

The spelling of 1023162556394 in words is "one trillion, twenty-three billion, one hundred sixty-two million, five hundred fifty-six thousand, three hundred ninety-four".