164951494 has 8 divisors (see below), whose sum is σ = 249066288. Its totient is φ = 81929400.

The previous prime is 164951491. The next prime is 164951497. The reversal of 164951494 is 494159461.

It is an interprime number because it is at equal distance from previous prime (164951491) and next prime (164951497).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 164951494.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164951491) 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, 272797 + ... + 273400.

It is an arithmetic number, because the mean of its divisors is an integer number (31133286).

Almost surely, 2^164951494 is an apocalyptic number.

164951494 is a deficient number, since it is larger than the sum of its proper divisors (84114794).

164951494 is a wasteful number, since it uses less digits than its factorization.

164951494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 546350.

The product of its digits is 155520, while the sum is 43.

The square root of 164951494 is about 12843.3443463920. The cubic root of 164951494 is about 548.4269033036.

The spelling of 164951494 in words is "one hundred sixty-four million, nine hundred fifty-one thousand, four hundred ninety-four".