1631661425034 has 64 divisors (see below), whose sum is σ = 3299959111680. Its totient is φ = 537824767680.

The previous prime is 1631661425003. The next prime is 1631661425039. The reversal of 1631661425034 is 4305241661361.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (1631661425039) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 134741772 + ... + 134753880.

It is an arithmetic number, because the mean of its divisors is an integer number (51561861120).

Almost surely, 2^{1631661425034} is an apocalyptic number.

1631661425034 is an abundant number, since it is smaller than the sum of its proper divisors (1668297686646).

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

1631661425034 is a wasteful number, since it uses less digits than its factorization.

1631661425034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12995.

The product of its (nonzero) digits is 311040, while the sum is 42.

The spelling of 1631661425034 in words is "one trillion, six hundred thirty-one billion, six hundred sixty-one million, four hundred twenty-five thousand, thirty-four".