1631044674 has 72 divisors (see below), whose sum is σ = 4263216048. Its totient is φ = 466005960.

The previous prime is 1631044673. The next prime is 1631044697. The reversal of 1631044674 is 4764401361.

It is not an unprimeable number, because it can be changed into a prime (1631044673) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 10432 + ... + 58059.

It is an arithmetic number, because the mean of its divisors is an integer number (59211334).

Almost surely, 2^1631044674 is an apocalyptic number.

1631044674 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1631044674 is an abundant number, since it is smaller than the sum of its proper divisors (2632171374).

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

1631044674 is an equidigital number, since it uses as much as digits as its factorization.

1631044674 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68522 (or 68503 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 36.

The square root of 1631044674 is about 40386.1941014501. The cubic root of 1631044674 is about 1177.1232889627.

The spelling of 1631044674 in words is "one billion, six hundred thirty-one million, forty-four thousand, six hundred seventy-four".