164150140 has 48 divisors (see below), whose sum is σ = 429778944. Its totient is φ = 51163200.

The previous prime is 164150117. The next prime is 164150141. The reversal of 164150140 is 41051461.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164150141) 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, 51756 + ... + 54835.

It is an arithmetic number, because the mean of its divisors is an integer number (8953728).

Almost surely, 2^164150140 is an apocalyptic number.

164150140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

164150140 is an abundant number, since it is smaller than the sum of its proper divisors (265628804).

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

164150140 is a wasteful number, since it uses less digits than its factorization.

164150140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106618 (or 106616 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 22.

The square root of 164150140 is about 12812.1091159887. The cubic root of 164150140 is about 547.5373534977.

The spelling of 164150140 in words is "one hundred sixty-four million, one hundred fifty thousand, one hundred forty".