1146641631 has 4 divisors (see below), whose sum is σ = 1528855512. Its totient is φ = 764427752.

The previous prime is 1146641567. The next prime is 1146641663. The reversal of 1146641631 is 1361466411.

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

It is a cyclic number.

It is not a de Polignac number, because 1146641631 - 2⁶ = 1146641567 is a prime.

It is a super-2 number, since 2×1146641631² = 2629574059884680322, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1146641592 and 1146641601.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1146641131) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 191106936 + ... + 191106941.

It is an arithmetic number, because the mean of its divisors is an integer number (382213878).

Almost surely, 2^1146641631 is an apocalyptic number.

1146641631 is a deficient number, since it is larger than the sum of its proper divisors (382213881).

1146641631 is an equidigital number, since it uses as much as digits as its factorization.

1146641631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 382213880.

The product of its digits is 10368, while the sum is 33.

The square root of 1146641631 is about 33862.0972622784. The cubic root of 1146641631 is about 1046.6686955596.

The spelling of 1146641631 in words is "one billion, one hundred forty-six million, six hundred forty-one thousand, six hundred thirty-one".