163457660 has 24 divisors (see below), whose sum is σ = 343629216. Its totient is φ = 65312960.

The previous prime is 163457647. The next prime is 163457713. The reversal of 163457660 is 66754361.

It is a happy number.

It is a super-2 number, since 2×163457660² = 53436813225351200, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17369 + ... + 25071.

It is an arithmetic number, because the mean of its divisors is an integer number (14317884).

Almost surely, 2^163457660 is an apocalyptic number.

163457660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

163457660 is an abundant number, since it is smaller than the sum of its proper divisors (180171556).

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

163457660 is a wasteful number, since it uses less digits than its factorization.

163457660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8773 (or 8771 counting only the distinct ones).

The product of its (nonzero) digits is 90720, while the sum is 38.

The square root of 163457660 is about 12785.0561203305. The cubic root of 163457660 is about 546.7663254424.

The spelling of 163457660 in words is "one hundred sixty-three million, four hundred fifty-seven thousand, six hundred sixty".