116661654 has 32 divisors (see below), whose sum is σ = 260628480. Its totient is φ = 38680200.

The previous prime is 116661641. The next prime is 116661679. The reversal of 116661654 is 456166611.

It is a happy number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4659 + ... + 15969.

It is an arithmetic number, because the mean of its divisors is an integer number (8144640).

Almost surely, 2^116661654 is an apocalyptic number.

116661654 is an abundant number, since it is smaller than the sum of its proper divisors (143966826).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

116661654 is a wasteful number, since it uses less digits than its factorization.

116661654 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11513 (or 11507 counting only the distinct ones).

The product of its digits is 25920, while the sum is 36.

The square root of 116661654 is about 10801.0024534763. The cubic root of 116661654 is about 488.6254047124.

The spelling of 116661654 in words is "one hundred sixteen million, six hundred sixty-one thousand, six hundred fifty-four".