161126431553456 has 20 divisors (see below), whose sum is σ = 312184383212352. Its totient is φ = 80562719756736.

The previous prime is 161126431553419. The next prime is 161126431553467. The reversal of 161126431553456 is 654355134621161.

It is a junction number, because it is equal to n+sod(n) for n = 161126431553398 and 161126431553407.

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, 28314275 + ... + 33525378.

Almost surely, 2^{161126431553456} is an apocalyptic number.

161126431553456 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

161126431553456 is a deficient number, since it is larger than the sum of its proper divisors (151057951658896).

161126431553456 is a wasteful number, since it uses less digits than its factorization.

161126431553456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62002508 (or 62002502 counting only the distinct ones).

The product of its digits is 7776000, while the sum is 53.

The spelling of 161126431553456 in words is "one hundred sixty-one trillion, one hundred twenty-six billion, four hundred thirty-one million, five hundred fifty-three thousand, four hundred fifty-six".