5198618100 has 72 divisors (see below), whose sum is σ = 16198372960. Its totient is φ = 1279658880.

The previous prime is 5198618077. The next prime is 5198618119. The reversal of 5198618100 is 18168915.

It is a super-2 number, since 2×5198618100² = 54051260299295220000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 662590 + ... + 670389.

Almost surely, 2^5198618100 is an apocalyptic number.

5198618100 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

5198618100 is an abundant number, since it is smaller than the sum of its proper divisors (10999754860).

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

5198618100 is a wasteful number, since it uses less digits than its factorization.

5198618100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1333009 (or 1333002 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 39.

The square root of 5198618100 is about 72101.4431200930. The cubic root of 5198618100 is about 1732.3247283902.

The spelling of 5198618100 in words is "five billion, one hundred ninety-eight million, six hundred eighteen thousand, one hundred".