164215354 has 24 divisors (see below), whose sum is σ = 258903540. Its totient is φ = 78110208.

The previous prime is 164215351. The next prime is 164215391. The reversal of 164215354 is 453512461.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 162945225 + 1270129 = 12765^2 + 1127^2 .

It is not an unprimeable number, because it can be changed into a prime (164215351) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 284314 + ... + 284890.

Almost surely, 2^164215354 is an apocalyptic number.

164215354 is a deficient number, since it is larger than the sum of its proper divisors (94688186).

164215354 is a wasteful number, since it uses less digits than its factorization.

164215354 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 894 (or 871 counting only the distinct ones).

The product of its digits is 14400, while the sum is 31.

The square root of 164215354 is about 12814.6538774951. The cubic root of 164215354 is about 547.6098529250.

The spelling of 164215354 in words is "one hundred sixty-four million, two hundred fifteen thousand, three hundred fifty-four".