7161651431304 has 128 divisors (see below), whose sum is σ = 18541202227200. Its totient is φ = 2303365559040.

The previous prime is 7161651431293. The next prime is 7161651431323. The reversal of 7161651431304 is 4031341561617.

It is a super-2 number, since 2×7161651431304² (a number of 27 digits) contains 22 as substring.

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 31 ways as a sum of consecutive naturals, for example, 271889767 + ... + 271916105.

It is an arithmetic number, because the mean of its divisors is an integer number (144853142400).

Almost surely, 2^{7161651431304} is an apocalyptic number.

7161651431304 is a gapful number since it is divisible by the number (74) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7161651431304, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9270601113600).

7161651431304 is an abundant number, since it is smaller than the sum of its proper divisors (11379550795896).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

7161651431304 is a wasteful number, since it uses less digits than its factorization.

7161651431304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28923 (or 28919 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 42.

The spelling of 7161651431304 in words is "seven trillion, one hundred sixty-one billion, six hundred fifty-one million, four hundred thirty-one thousand, three hundred four".