7161449972 has 24 divisors (see below), whose sum is σ = 13016142720. Its totient is φ = 3445135040.

The previous prime is 7161449963. The next prime is 7161449989. The reversal of 7161449972 is 2799441617.

It is a self number, because there is not a number n which added to its sum of digits gives 7161449972.

It is a congruent 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 7 ways as a sum of consecutive naturals, for example, 311729 + ... + 333912.

It is an arithmetic number, because the mean of its divisors is an integer number (542339280).

Almost surely, 2^7161449972 is an apocalyptic number.

It is an amenable number.

7161449972 is a deficient number, since it is larger than the sum of its proper divisors (5854692748).

7161449972 is a wasteful number, since it uses less digits than its factorization.

7161449972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 645751 (or 645749 counting only the distinct ones).

The product of its digits is 762048, while the sum is 50.

The square root of 7161449972 is about 84625.3506462455. The cubic root of 7161449972 is about 1927.5263370002.

The spelling of 7161449972 in words is "seven billion, one hundred sixty-one million, four hundred forty-nine thousand, nine hundred seventy-two".