16149834724 has 9 divisors (see below), whose sum is σ = 28262655561. Its totient is φ = 8074790280.

The previous prime is 16149834697. The next prime is 16149834733. The reversal of 16149834724 is 42743894161.

It is a happy number.

The square root of 16149834724 is 127082.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 13220860324 + 2928974400 = 114982^2 + 54120^2 .

It is a super-2 number, since 2×16149834724² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 222394 + ... + 285934.

Almost surely, 2^16149834724 is an apocalyptic number.

16149834724 is the 127082-nd square number.

It is an amenable number.

16149834724 is a deficient number, since it is larger than the sum of its proper divisors (12112820837).

16149834724 is an frugal number, since it uses more digits than its factorization.

16149834724 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127086 (or 63543 counting only the distinct ones).

The product of its digits is 1161216, while the sum is 49.

Multiplying 16149834724 by its sum of digits (49), we get a square (791341901476 = 889574²).

The spelling of 16149834724 in words is "sixteen billion, one hundred forty-nine million, eight hundred thirty-four thousand, seven hundred twenty-four".