3681623154 has 16 divisors (see below), whose sum is σ = 8032632480. Its totient is φ = 1115643360.

The previous prime is 3681623123. The next prime is 3681623177. The reversal of 3681623154 is 4513261863.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27891019 + ... + 27891150.

It is an arithmetic number, because the mean of its divisors is an integer number (502039530).

Almost surely, 2^3681623154 is an apocalyptic number.

3681623154 is an abundant number, since it is smaller than the sum of its proper divisors (4351009326).

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

3681623154 is a wasteful number, since it uses less digits than its factorization.

3681623154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55782185.

The product of its digits is 103680, while the sum is 39.

The square root of 3681623154 is about 60676.3805281759. The cubic root of 3681623154 is about 1544.1154824382.

The spelling of 3681623154 in words is "three billion, six hundred eighty-one million, six hundred twenty-three thousand, one hundred fifty-four".