1632057973 has 16 divisors (see below), whose sum is σ = 2016717696. Its totient is φ = 1286136000.

The previous prime is 1632057923. The next prime is 1632057979. The reversal of 1632057973 is 3797502361.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1632057973 - 2¹³ = 1632049781 is a prime.

It is a super-2 number, since 2×1632057973² = 5327226454465737458, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1632057979) 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, 12886 + ... + 58567.

It is an arithmetic number, because the mean of its divisors is an integer number (126044856).

Almost surely, 2^1632057973 is an apocalyptic number.

1632057973 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1632057973 is a deficient number, since it is larger than the sum of its proper divisors (384659723).

1632057973 is a wasteful number, since it uses less digits than its factorization.

1632057973 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71724.

The product of its (nonzero) digits is 238140, while the sum is 43.

The square root of 1632057973 is about 40398.7372698702. The cubic root of 1632057973 is about 1177.3670041203.

The spelling of 1632057973 in words is "one billion, six hundred thirty-two million, fifty-seven thousand, nine hundred seventy-three".