116661941 has 8 divisors (see below), whose sum is σ = 129167904. Its totient is φ = 104472720.

The previous prime is 116661931. The next prime is 116661953. The reversal of 116661941 is 149166611.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-116661941 is a prime.

It is a super-2 number, since 2×116661941² = 27220016955774962, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (116661931) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 78410 + ... + 79883.

It is an arithmetic number, because the mean of its divisors is an integer number (16145988).

Almost surely, 2^116661941 is an apocalyptic number.

116661941 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

116661941 is a deficient number, since it is larger than the sum of its proper divisors (12505963).

116661941 is a wasteful number, since it uses less digits than its factorization.

116661941 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158371.

The product of its digits is 7776, while the sum is 35.

The square root of 116661941 is about 10801.0157392719. The cubic root of 116661941 is about 488.6258054022.

The spelling of 116661941 in words is "one hundred sixteen million, six hundred sixty-one thousand, nine hundred forty-one".