75141661688 has 32 divisors (see below), whose sum is σ = 142422065760. Its totient is φ = 37163283840.

The previous prime is 75141661657. The next prime is 75141661709. The reversal of 75141661688 is 88616614157.

It is a happy number.

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, 670658 + ... + 774638.

It is an arithmetic number, because the mean of its divisors is an integer number (4450689555).

Almost surely, 2^75141661688 is an apocalyptic number.

It is an amenable number.

75141661688 is a deficient number, since it is larger than the sum of its proper divisors (67280404072).

75141661688 is a wasteful number, since it uses less digits than its factorization.

75141661688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104967 (or 104963 counting only the distinct ones).

The product of its digits is 1935360, while the sum is 53.

The spelling of 75141661688 in words is "seventy-five billion, one hundred forty-one million, six hundred sixty-one thousand, six hundred eighty-eight".