663367475 has 12 divisors (see below), whose sum is σ = 824374320. Its totient is φ = 529533600.

The previous prime is 663367459. The next prime is 663367477. The reversal of 663367475 is 574763366.

It is not a de Polignac number, because 663367475 - 2⁴ = 663367459 is a prime.

It is a hoax number, since the sum of its digits (47) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (663367477) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 17255 + ... + 40304.

It is an arithmetic number, because the mean of its divisors is an integer number (68697860).

Almost surely, 2^663367475 is an apocalyptic number.

663367475 is a deficient number, since it is larger than the sum of its proper divisors (161006845).

663367475 is a wasteful number, since it uses less digits than its factorization.

663367475 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58030 (or 58025 counting only the distinct ones).

The product of its digits is 1905120, while the sum is 47.

The square root of 663367475 is about 25755.9211638800. The cubic root of 663367475 is about 872.1370263265.

The spelling of 663367475 in words is "six hundred sixty-three million, three hundred sixty-seven thousand, four hundred seventy-five".