160421640 has 64 divisors (see below), whose sum is σ = 494285760. Its totient is φ = 41621760.

The previous prime is 160421593. The next prime is 160421753. The reversal of 160421640 is 46124061.

160421640 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 160421640.

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, 13626 + ... + 22505.

It is an arithmetic number, because the mean of its divisors is an integer number (7723215).

Almost surely, 2^160421640 is an apocalyptic number.

160421640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

160421640 is an abundant number, since it is smaller than the sum of its proper divisors (333864120).

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

160421640 is a wasteful number, since it uses less digits than its factorization.

160421640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36182 (or 36178 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 24.

The square root of 160421640 is about 12665.7664592396. The cubic root of 160421640 is about 543.3599829686.

The spelling of 160421640 in words is "one hundred sixty million, four hundred twenty-one thousand, six hundred forty".