1663258032 has 60 divisors (see below), whose sum is σ = 4697561440. Its totient is φ = 549327744.

The previous prime is 1663258027. The next prime is 1663258057. The reversal of 1663258032 is 2308523661.

It is a happy number.

1663258032 is a `hidden beast` number, since 16 + 6 + 32 + 580 + 32 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 37288 + ... + 68679.

Almost surely, 2^1663258032 is an apocalyptic number.

1663258032 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1663258032 is an abundant number, since it is smaller than the sum of its proper divisors (3034303408).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1663258032 is a wasteful number, since it uses less digits than its factorization.

1663258032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106090 (or 106081 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 36.

The square root of 1663258032 is about 40783.0606011859. The cubic root of 1663258032 is about 1184.8222731909.

The spelling of 1663258032 in words is "one billion, six hundred sixty-three million, two hundred fifty-eight thousand, thirty-two".