701660061 has 6 divisors (see below), whose sum is σ = 1013508990. Its totient is φ = 467773368.

The previous prime is 701660041. The next prime is 701660087. The reversal of 701660061 is 160066107.

It can be written as a sum of positive squares in only one way, i.e., 409455225 + 292204836 = 20235^2 + 17094^2 .

It is not a de Polignac number, because 701660061 - 2²⁵ = 668105629 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 (701660041) 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, 38981106 + ... + 38981123.

It is an arithmetic number, because the mean of its divisors is an integer number (168918165).

Almost surely, 2^701660061 is an apocalyptic number.

It is an amenable number.

701660061 is a deficient number, since it is larger than the sum of its proper divisors (311848929).

701660061 is a wasteful number, since it uses less digits than its factorization.

701660061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77962235 (or 77962232 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 27.

The square root of 701660061 is about 26488.8667368010. The cubic root of 701660061 is about 888.6053403869.

The spelling of 701660061 in words is "seven hundred one million, six hundred sixty thousand, sixty-one".