663161476 has 6 divisors (see below), whose sum is σ = 1160532590. Its totient is φ = 331580736.

The previous prime is 663161459. The next prime is 663161501. The reversal of 663161476 is 674161366.

It can be written as a sum of positive squares in only one way, i.e., 433638976 + 229522500 = 20824^2 + 15150^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82895181 + ... + 82895188.

Almost surely, 2^663161476 is an apocalyptic number.

It is an amenable number.

663161476 is a deficient number, since it is larger than the sum of its proper divisors (497371114).

663161476 is a wasteful number, since it uses less digits than its factorization.

663161476 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165790373 (or 165790371 counting only the distinct ones).

The product of its digits is 108864, while the sum is 40.

The square root of 663161476 is about 25751.9217923634. The cubic root of 663161476 is about 872.0467405437.

The spelling of 663161476 in words is "six hundred sixty-three million, one hundred sixty-one thousand, four hundred seventy-six".