7160775021 has 6 divisors (see below), whose sum is σ = 10343341710. Its totient is φ = 4773850008.

The previous prime is 7160775019. The next prime is 7160775023. The reversal of 7160775021 is 1205770617.

It is an interprime number because it is at equal distance from previous prime (7160775019) and next prime (7160775023).

It can be written as a sum of positive squares in only one way, i.e., 5577849225 + 1582925796 = 74685^2 + 39786^2 .

It is not a de Polignac number, because 7160775021 - 2¹ = 7160775019 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7160775023) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 397820826 + ... + 397820843.

It is an arithmetic number, because the mean of its divisors is an integer number (1723890285).

Almost surely, 2^7160775021 is an apocalyptic number.

It is an amenable number.

7160775021 is a deficient number, since it is larger than the sum of its proper divisors (3182566689).

7160775021 is a wasteful number, since it uses less digits than its factorization.

7160775021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 795641675 (or 795641672 counting only the distinct ones).

The product of its (nonzero) digits is 20580, while the sum is 36.

The square root of 7160775021 is about 84621.3626751543. The cubic root of 7160775021 is about 1927.4657800503.

The spelling of 7160775021 in words is "seven billion, one hundred sixty million, seven hundred seventy-five thousand, twenty-one".