16432157684376 has 288 divisors, whose sum is σ = 53255295231840. Its totient is φ = 4560587006976.

The previous prime is 16432157684333. The next prime is 16432157684401. The reversal of 16432157684376 is 67348675123461.

16432157684376 is a `hidden beast` number, since 1 + 6 + 4 + 3 + 21 + 576 + 8 + 4 + 37 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 80438701 + ... + 80642723.

It is an arithmetic number, because the mean of its divisors is an integer number (184914219555).

Almost surely, 2^{16432157684376} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16432157684376, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26627647615920).

16432157684376 is an abundant number, since it is smaller than the sum of its proper divisors (36823137547464).

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

16432157684376 is a wasteful number, since it uses less digits than its factorization.

16432157684376 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 204703 (or 204689 counting only the distinct ones).

The product of its digits is 121927680, while the sum is 63.

The spelling of 16432157684376 in words is "sixteen trillion, four hundred thirty-two billion, one hundred fifty-seven million, six hundred eighty-four thousand, three hundred seventy-six".