9198471672 has 128 divisors (see below), whose sum is σ = 28965216000. Its totient is φ = 2681320320.

The previous prime is 9198471649. The next prime is 9198471701. The reversal of 9198471672 is 2761748919.

It is a super-2 number, since 2×9198471672² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 32854 + ... + 139557.

It is an arithmetic number, because the mean of its divisors is an integer number (226290750).

Almost surely, 2^9198471672 is an apocalyptic number.

It is an amenable number.

9198471672 is an abundant number, since it is smaller than the sum of its proper divisors (19766744328).

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

9198471672 is a wasteful number, since it uses less digits than its factorization.

9198471672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172458 (or 172448 counting only the distinct ones).

The product of its digits is 1524096, while the sum is 54.

The square root of 9198471672 is about 95908.6631749187. The cubic root of 9198471672 is about 2095.2630699699.

The spelling of 9198471672 in words is "nine billion, one hundred ninety-eight million, four hundred seventy-one thousand, six hundred seventy-two".