18970560 has 168 divisors, whose sum is σ = 74651616. Its totient is φ = 4331520.

The previous prime is 18970559. The next prime is 18970579. The reversal of 18970560 is 6507981.

18970560 is a `hidden beast` number, since 1 + 8 + 97 + 0 + 560 = 666.

It is a tau number, because it is divible by the number of its divisors (168).

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 19690 + ... + 20630.

Almost surely, 2^18970560 is an apocalyptic number.

18970560 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 18970560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37325808).

18970560 is an abundant number, since it is smaller than the sum of its proper divisors (55681056).

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

18970560 is a wasteful number, since it uses less digits than its factorization.

18970560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 971 (or 958 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 36.

The square root of 18970560 is about 4355.5206347806. The cubic root of 18970560 is about 266.7022730233.

The spelling of 18970560 in words is "eighteen million, nine hundred seventy thousand, five hundred sixty".