160663440 has 80 divisors (see below), whose sum is σ = 569213568. Its totient is φ = 36722688.

The previous prime is 160663397. The next prime is 160663453. The reversal of 160663440 is 44366061.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 160663398 and 160663407.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 46137 + ... + 49496.

Almost surely, 2^160663440 is an apocalyptic number.

160663440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

160663440 is an abundant number, since it is smaller than the sum of its proper divisors (408550128).

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

160663440 is a wasteful number, since it uses less digits than its factorization.

160663440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95656 (or 95650 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 30.

The square root of 160663440 is about 12675.3082802747. The cubic root of 160663440 is about 543.6328440950.

The spelling of 160663440 in words is "one hundred sixty million, six hundred sixty-three thousand, four hundred forty".