9198613632 has 128 divisors (see below), whose sum is σ = 27162616320. Its totient is φ = 2738995200.

The previous prime is 9198613607. The next prime is 9198613643. The reversal of 9198613632 is 2363168919.

It is a tau number, because it is divible by the number of its divisors (128).

It is a super-2 number, since 2×9198613632² (a number of 21 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (48).

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, 125032 + ... + 184472.

It is an arithmetic number, because the mean of its divisors is an integer number (212207940).

Almost surely, 2^9198613632 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 9198613632, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13581308160).

9198613632 is an abundant number, since it is smaller than the sum of its proper divisors (17964002688).

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

9198613632 is a wasteful number, since it uses less digits than its factorization.

9198613632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59502 (or 59490 counting only the distinct ones).

The product of its digits is 419904, while the sum is 48.

The square root of 9198613632 is about 95909.4032511933. The cubic root of 9198613632 is about 2095.2738486450.

The spelling of 9198613632 in words is "nine billion, one hundred ninety-eight million, six hundred thirteen thousand, six hundred thirty-two".