1632993086 has 4 divisors (see below), whose sum is σ = 2449489632. Its totient is φ = 816496542.

The previous prime is 1632993079. The next prime is 1632993127. The reversal of 1632993086 is 6803992361.

It is a semiprime because it is the product of two primes.

It is a super-4 number, since 4×1632993086⁴ (a number of 38 digits) contains 4444 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1632993086.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 408248270 + ... + 408248273.

It is an arithmetic number, because the mean of its divisors is an integer number (612372408).

Almost surely, 2^1632993086 is an apocalyptic number.

1632993086 is a deficient number, since it is larger than the sum of its proper divisors (816496546).

1632993086 is an equidigital number, since it uses as much as digits as its factorization.

1632993086 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 816496545.

The product of its (nonzero) digits is 419904, while the sum is 47.

The square root of 1632993086 is about 40410.3091549669. The cubic root of 1632993086 is about 1177.5918247667.

The spelling of 1632993086 in words is "one billion, six hundred thirty-two million, nine hundred ninety-three thousand, eighty-six".