164187464 has 16 divisors (see below), whose sum is σ = 351830400. Its totient is φ = 70366032.

The previous prime is 164187461. The next prime is 164187487. The reversal of 164187464 is 464781461.

It is not an unprimeable number, because it can be changed into a prime (164187461) 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, 1465904 + ... + 1466015.

It is an arithmetic number, because the mean of its divisors is an integer number (21989400).

Almost surely, 2^164187464 is an apocalyptic number.

164187464 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

164187464 is an abundant number, since it is smaller than the sum of its proper divisors (187642936).

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

164187464 is a wasteful number, since it uses less digits than its factorization.

164187464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2931932 (or 2931928 counting only the distinct ones).

The product of its digits is 129024, while the sum is 41.

The square root of 164187464 is about 12813.5656239784. The cubic root of 164187464 is about 547.5788495238.

The spelling of 164187464 in words is "one hundred sixty-four million, one hundred eighty-seven thousand, four hundred sixty-four".