7621161662 has 16 divisors (see below), whose sum is σ = 11836301040. Its totient is φ = 3675958272.

The previous prime is 7621161661. The next prime is 7621161677. The reversal of 7621161662 is 2661611267.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7621161661) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9893 + ... + 123855.

It is an arithmetic number, because the mean of its divisors is an integer number (739768815).

Almost surely, 2^7621161662 is an apocalyptic number.

7621161662 is a deficient number, since it is larger than the sum of its proper divisors (4215139378).

7621161662 is a wasteful number, since it uses less digits than its factorization.

7621161662 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115147.

The product of its digits is 36288, while the sum is 38.

The square root of 7621161662 is about 87299.2649568139. The cubic root of 7621161662 is about 1967.9182714906.

The spelling of 7621161662 in words is "seven billion, six hundred twenty-one million, one hundred sixty-one thousand, six hundred sixty-two".