274161663556 has 48 divisors (see below), whose sum is σ = 531529746048. Its totient is φ = 122697792000.

The previous prime is 274161663553. The next prime is 274161663593. The reversal of 274161663556 is 655366161472.

It is not an unprimeable number, because it can be changed into a prime (274161663553) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 568186 + ... + 933358.

It is an arithmetic number, because the mean of its divisors is an integer number (11073536376).

Almost surely, 2^274161663556 is an apocalyptic number.

It is an amenable number.

274161663556 is a deficient number, since it is larger than the sum of its proper divisors (257368082492).

274161663556 is a wasteful number, since it uses less digits than its factorization.

274161663556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 365452 (or 365450 counting only the distinct ones).

The product of its digits is 5443200, while the sum is 52.

The spelling of 274161663556 in words is "two hundred seventy-four billion, one hundred sixty-one million, six hundred sixty-three thousand, five hundred fifty-six".