16151942400 has 432 divisors, whose sum is σ = 60050823168. Its totient is φ = 3787776000.

The previous prime is 16151942377. The next prime is 16151942407. The reversal of 16151942400 is 424915161.

It is a super-4 number, since 4×16151942400⁴ (a number of 42 digits) contains 4444 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16151942407) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 6545967 + ... + 6548433.

Almost surely, 2^16151942400 is an apocalyptic number.

16151942400 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 16151942400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30025411584).

16151942400 is an abundant number, since it is smaller than the sum of its proper divisors (43898880768).

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

16151942400 is a wasteful number, since it uses less digits than its factorization.

16151942400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2538 (or 2519 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 33.

The spelling of 16151942400 in words is "sixteen billion, one hundred fifty-one million, nine hundred forty-two thousand, four hundred".