162646140 has 48 divisors (see below), whose sum is σ = 482200992. Its totient is φ = 40820736.

The previous prime is 162646129. The next prime is 162646147. The reversal of 162646140 is 41646261.

162646140 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 (30).

It is a junction number, because it is equal to n+sod(n) for n = 162646098 and 162646107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (162646147) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 78709 + ... + 80748.

It is an arithmetic number, because the mean of its divisors is an integer number (10045854).

Almost surely, 2^162646140 is an apocalyptic number.

162646140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

162646140 is an abundant number, since it is smaller than the sum of its proper divisors (319554852).

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

162646140 is a wasteful number, since it uses less digits than its factorization.

162646140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159486 (or 159484 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 30.

The square root of 162646140 is about 12753.2795782105. The cubic root of 162646140 is about 545.8599783172.

The spelling of 162646140 in words is "one hundred sixty-two million, six hundred forty-six thousand, one hundred forty".