958070661 has 4 divisors (see below), whose sum is σ = 1277427552. Its totient is φ = 638713772.

The previous prime is 958070653. The next prime is 958070693. The reversal of 958070661 is 166070859.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 958070661 - 2³ = 958070653 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (958070461) 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, 159678441 + ... + 159678446.

It is an arithmetic number, because the mean of its divisors is an integer number (319356888).

Almost surely, 2^958070661 is an apocalyptic number.

It is an amenable number.

958070661 is a deficient number, since it is larger than the sum of its proper divisors (319356891).

958070661 is a wasteful number, since it uses less digits than its factorization.

958070661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 319356890.

The product of its (nonzero) digits is 90720, while the sum is 42.

The square root of 958070661 is about 30952.7165366790. The cubic root of 958070661 is about 985.8235310882.

The spelling of 958070661 in words is "nine hundred fifty-eight million, seventy thousand, six hundred sixty-one".