3155635648 has 112 divisors (see below), whose sum is σ = 7022006784. Its totient is φ = 1394749440.

The previous prime is 3155635621. The next prime is 3155635657. The reversal of 3155635648 is 8465365513.

It is a junction number, because it is equal to n+sod(n) for n = 3155635598 and 3155635607.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9363736 + ... + 9364072.

Almost surely, 2^3155635648 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3155635648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3511003392).

3155635648 is an abundant number, since it is smaller than the sum of its proper divisors (3866371136).

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

3155635648 is a wasteful number, since it uses less digits than its factorization.

3155635648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 690 (or 680 counting only the distinct ones).

The product of its digits is 1296000, while the sum is 46.

The square root of 3155635648 is about 56175.0447084824. The cubic root of 3155635648 is about 1466.7708976430.

The spelling of 3155635648 in words is "three billion, one hundred fifty-five million, six hundred thirty-five thousand, six hundred forty-eight".