37216198656 has 672 divisors, whose sum is σ = 138938325120. Its totient is φ = 9586999296.

The previous prime is 37216198583. The next prime is 37216198661. The reversal of 37216198656 is 65689161273.

It is a tau number, because it is divible by the number of its divisors (672).

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 47 ways as a sum of consecutive naturals, for example, 865492971 + ... + 865493013.

It is an arithmetic number, because the mean of its divisors is an integer number (206753460).

Almost surely, 2^37216198656 is an apocalyptic number.

37216198656 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 37216198656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (69469162560).

37216198656 is an abundant number, since it is smaller than the sum of its proper divisors (101722126464).

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

37216198656 is an equidigital number, since it uses as much as digits as its factorization.

37216198656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141 (or 68 counting only the distinct ones).

The product of its digits is 3265920, while the sum is 54.

The spelling of 37216198656 in words is "thirty-seven billion, two hundred sixteen million, one hundred ninety-eight thousand, six hundred fifty-six".