164151380 has 12 divisors (see below), whose sum is σ = 344717940. Its totient is φ = 65660544.

The previous prime is 164151373. The next prime is 164151389. The reversal of 164151380 is 83151461.

It can be written as a sum of positive squares in 2 ways, for example, as 93624976 + 70526404 = 9676^2 + 8398^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164151389) 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, 4103765 + ... + 4103804.

It is an arithmetic number, because the mean of its divisors is an integer number (28726495).

Almost surely, 2^164151380 is an apocalyptic number.

164151380 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

164151380 is an abundant number, since it is smaller than the sum of its proper divisors (180566560).

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

164151380 is a wasteful number, since it uses less digits than its factorization.

164151380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8207578 (or 8207576 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 29.

The square root of 164151380 is about 12812.1575076175. The cubic root of 164151380 is about 547.5387322042.

The spelling of 164151380 in words is "one hundred sixty-four million, one hundred fifty-one thousand, three hundred eighty".