16457089218570 has 448 divisors, whose sum is σ = 59632572674304. Its totient is φ = 3156603125760.

The previous prime is 16457089218551. The next prime is 16457089218629. The reversal of 16457089218570 is 7581298075461.

16457089218570 is a `hidden beast` number, since 1 + 6 + 4 + 57 + 0 + 8 + 9 + 2 + 1 + 8 + 570 = 666.

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

It is a junction number, because it is equal to n+sod(n) for n = 16457089218498 and 16457089218507.

It is an unprimeable number.

It is a polite number, since it can be written in 223 ways as a sum of consecutive naturals, for example, 6169674 + ... + 8424906.

It is an arithmetic number, because the mean of its divisors is an integer number (133108421148).

Almost surely, 2^{16457089218570} is an apocalyptic number.

16457089218570 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 16457089218570, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29816286337152).

16457089218570 is an abundant number, since it is smaller than the sum of its proper divisors (43175483455734).

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

16457089218570 is a wasteful number, since it uses less digits than its factorization.

16457089218570 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2255289 (or 2255274 counting only the distinct ones).

The product of its (nonzero) digits is 33868800, while the sum is 63.

The spelling of 16457089218570 in words is "sixteen trillion, four hundred fifty-seven billion, eighty-nine million, two hundred eighteen thousand, five hundred seventy".