79164493442 has 8 divisors (see below), whose sum is σ = 119184920832. Its totient is φ = 39436186500.

The previous prime is 79164493439. The next prime is 79164493459. The reversal of 79164493442 is 24439446197.

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

It is a super-2 number, since 2×79164493442² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 73029434 + ... + 73030517.

It is an arithmetic number, because the mean of its divisors is an integer number (14898115104).

Almost surely, 2^79164493442 is an apocalyptic number.

79164493442 is a deficient number, since it is larger than the sum of its proper divisors (40020427390).

79164493442 is a wasteful number, since it uses less digits than its factorization.

79164493442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146060224.

The product of its digits is 5225472, while the sum is 53.

The spelling of 79164493442 in words is "seventy-nine billion, one hundred sixty-four million, four hundred ninety-three thousand, four hundred forty-two".