16770564 has 60 divisors (see below), whose sum is σ = 44233728. Its totient is φ = 5540400.

The previous prime is 16770557. The next prime is 16770577. The reversal of 16770564 is 46507761.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 61749 + ... + 62019.

Almost surely, 2^16770564 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 16770564, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22116864).

16770564 is an abundant number, since it is smaller than the sum of its proper divisors (27463164).

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

16770564 is a wasteful number, since it uses less digits than its factorization.

16770564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 478 (or 467 counting only the distinct ones).

The product of its (nonzero) digits is 35280, while the sum is 36.

The square root of 16770564 is about 4095.1879077766. The cubic root of 16770564 is about 255.9661617058.

The spelling of 16770564 in words is "sixteen million, seven hundred seventy thousand, five hundred sixty-four".