16158244474 has 8 divisors (see below), whose sum is σ = 24297810228. Its totient is φ = 8058974400.

The previous prime is 16158244469. The next prime is 16158244477. The reversal of 16158244474 is 47444285161.

It can be written as a sum of positive squares in 2 ways, for example, as 13913853849 + 2244390625 = 117957^2 + 47375^2 .

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

It is a super-2 number, since 2×16158244474² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (16158244477) 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, 10072917 + ... + 10074520.

Almost surely, 2^16158244474 is an apocalyptic number.

16158244474 is a deficient number, since it is larger than the sum of its proper divisors (8139565754).

16158244474 is a wasteful number, since it uses less digits than its factorization.

16158244474 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20147840.

The product of its digits is 860160, while the sum is 46.

The spelling of 16158244474 in words is "sixteen billion, one hundred fifty-eight million, two hundred forty-four thousand, four hundred seventy-four".