7166251542 has 16 divisors (see below), whose sum is σ = 14955655680. Its totient is φ = 2284891752.

The previous prime is 7166251531. The next prime is 7166251571. The reversal of 7166251542 is 2451526617.

It is a super-2 number, since 2×7166251542² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 7166251542.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25964542 + ... + 25964817.

It is an arithmetic number, because the mean of its divisors is an integer number (934728480).

Almost surely, 2^7166251542 is an apocalyptic number.

7166251542 is an abundant number, since it is smaller than the sum of its proper divisors (7789404138).

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

7166251542 is a wasteful number, since it uses less digits than its factorization.

7166251542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51929387.

The product of its digits is 100800, while the sum is 39.

The square root of 7166251542 is about 84653.7154648276. The cubic root of 7166251542 is about 1927.9570265483.

The spelling of 7166251542 in words is "seven billion, one hundred sixty-six million, two hundred fifty-one thousand, five hundred forty-two".