16995363840 has 1056 divisors, whose sum is σ = 76056039360. Its totient is φ = 3567255552.

The previous prime is 16995363797. The next prime is 16995363859. The reversal of 16995363840 is 4836359961.

16995363840 is a `hidden beast` number, since 1 + 69 + 9 + 536 + 3 + 8 + 40 = 666.

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

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 88058784 + ... + 88058976.

Almost surely, 2^16995363840 is an apocalyptic number.

16995363840 is a gapful number since it is divisible by the number (10) 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 16995363840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38028019680).

16995363840 is an abundant number, since it is smaller than the sum of its proper divisors (59060675520).

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

16995363840 is a wasteful number, since it uses less digits than its factorization.

16995363840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 254 (or 223 counting only the distinct ones).

The product of its (nonzero) digits is 4199040, while the sum is 54.

The spelling of 16995363840 in words is "sixteen billion, nine hundred ninety-five million, three hundred sixty-three thousand, eight hundred forty".