164401154 has 4 divisors (see below), whose sum is σ = 246601734. Its totient is φ = 82200576.

The previous prime is 164401151. The next prime is 164401157. The reversal of 164401154 is 451104461.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (164401151) and next prime (164401157).

It can be written as a sum of positive squares in only one way, i.e., 135187129 + 29214025 = 11627^2 + 5405^2 .

It is a super-3 number, since 3×164401154³ (a number of 26 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (164401151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41100287 + ... + 41100290.

Almost surely, 2^164401154 is an apocalyptic number.

164401154 is a deficient number, since it is larger than the sum of its proper divisors (82200580).

164401154 is an equidigital number, since it uses as much as digits as its factorization.

164401154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82200579.

The product of its (nonzero) digits is 1920, while the sum is 26.

The square root of 164401154 is about 12821.9013410648. The cubic root of 164401154 is about 547.8163045125.

The spelling of 164401154 in words is "one hundred sixty-four million, four hundred one thousand, one hundred fifty-four".