961958148668 has 24 divisors (see below), whose sum is σ = 1836671705904. Its totient is φ = 437204620800.

The previous prime is 961958148653. The next prime is 961958148677. The reversal of 961958148668 is 866841859169.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 829205 + ... + 1616012.

It is an arithmetic number, because the mean of its divisors is an integer number (76527987746).

Almost surely, 2^961958148668 is an apocalyptic number.

It is an amenable number.

961958148668 is a deficient number, since it is larger than the sum of its proper divisors (874713557236).

961958148668 is a wasteful number, since it uses less digits than its factorization.

961958148668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2454173 (or 2454171 counting only the distinct ones).

The product of its digits is 179159040, while the sum is 71.

The spelling of 961958148668 in words is "nine hundred sixty-one billion, nine hundred fifty-eight million, one hundred forty-eight thousand, six hundred sixty-eight".