117644016 has 80 divisors (see below), whose sum is σ = 356754944. Its totient is φ = 32700672.

The previous prime is 117643969. The next prime is 117644017. The reversal of 117644016 is 610446711.

It is a super-2 number, since 2×117644016² = 27680229001216512, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117644017) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7701 + ... + 17163.

Almost surely, 2^117644016 is an apocalyptic number.

117644016 is a gapful number since it is divisible by the number (16) 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 117644016, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (178377472).

117644016 is an abundant number, since it is smaller than the sum of its proper divisors (239110928).

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

117644016 is a wasteful number, since it uses less digits than its factorization.

117644016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9518 (or 9512 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 30.

The square root of 117644016 is about 10846.3826227918. The cubic root of 117644016 is about 489.9930805631.

The spelling of 117644016 in words is "one hundred seventeen million, six hundred forty-four thousand, sixteen".