7516870061 has 4 divisors (see below), whose sum is σ = 7658697852. Its totient is φ = 7375042272.

The previous prime is 7516870057. The next prime is 7516870069. The reversal of 7516870061 is 1600786157.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 5853780100 + 1663089961 = 76510^2 + 40781^2 .

It is a cyclic number.

It is not a de Polignac number, because 7516870061 - 2² = 7516870057 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7516870069) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 70913816 + ... + 70913921.

It is an arithmetic number, because the mean of its divisors is an integer number (1914674463).

Almost surely, 2^7516870061 is an apocalyptic number.

It is an amenable number.

7516870061 is a deficient number, since it is larger than the sum of its proper divisors (141827791).

7516870061 is a wasteful number, since it uses less digits than its factorization.

7516870061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141827790.

The product of its (nonzero) digits is 70560, while the sum is 41.

The square root of 7516870061 is about 86699.8850114578. The cubic root of 7516870061 is about 1958.9003672324.

The spelling of 7516870061 in words is "seven billion, five hundred sixteen million, eight hundred seventy thousand, sixty-one".