161214494 has 8 divisors (see below), whose sum is σ = 276367728. Its totient is φ = 69091920.

The previous prime is 161214481. The next prime is 161214497. The reversal of 161214494 is 494412161.

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

It is a super-2 number, since 2×161214494² = 51980226151352072, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 161214494.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (161214497) 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, 5757647 + ... + 5757674.

It is an arithmetic number, because the mean of its divisors is an integer number (34545966).

Almost surely, 2^161214494 is an apocalyptic number.

161214494 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

161214494 is a deficient number, since it is larger than the sum of its proper divisors (115153234).

161214494 is a wasteful number, since it uses less digits than its factorization.

161214494 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11515330.

The product of its digits is 6912, while the sum is 32.

The square root of 161214494 is about 12697.0269748473. The cubic root of 161214494 is about 544.2536640489.

The spelling of 161214494 in words is "one hundred sixty-one million, two hundred fourteen thousand, four hundred ninety-four".