163730076 has 12 divisors (see below), whose sum is σ = 382036872. Its totient is φ = 54576688.

The previous prime is 163730071. The next prime is 163730117. The reversal of 163730076 is 670037361.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (163730071) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6822075 + ... + 6822098.

It is an arithmetic number, because the mean of its divisors is an integer number (31836406).

Almost surely, 2^163730076 is an apocalyptic number.

It is an amenable number.

163730076 is an abundant number, since it is smaller than the sum of its proper divisors (218306796).

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

163730076 is a wasteful number, since it uses less digits than its factorization.

163730076 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13644180 (or 13644178 counting only the distinct ones).

The product of its (nonzero) digits is 15876, while the sum is 33.

The square root of 163730076 is about 12795.7053732883. The cubic root of 163730076 is about 547.0699009516.

It can be divided in two parts, 1637 and 30076, that added together give a palindrome (31713).

The spelling of 163730076 in words is "one hundred sixty-three million, seven hundred thirty thousand, seventy-six".