116544557 has 4 divisors (see below), whose sum is σ = 118284096. Its totient is φ = 114805020.

The previous prime is 116544553. The next prime is 116544563. The reversal of 116544557 is 755445611.

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, and also an emirpimes, since its reverse is a distinct semiprime: 755445611 = 647 ⋅1167613.

It is a cyclic number.

It is not a de Polignac number, because 116544557 - 2² = 116544553 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 116544557.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (116544553) 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, 869669 + ... + 869802.

It is an arithmetic number, because the mean of its divisors is an integer number (29571024).

Almost surely, 2^116544557 is an apocalyptic number.

It is an amenable number.

116544557 is a deficient number, since it is larger than the sum of its proper divisors (1739539).

116544557 is an equidigital number, since it uses as much as digits as its factorization.

116544557 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1739538.

The product of its digits is 84000, while the sum is 38.

The square root of 116544557 is about 10795.5804383090. The cubic root of 116544557 is about 488.4618670486.

The spelling of 116544557 in words is "one hundred sixteen million, five hundred forty-four thousand, five hundred fifty-seven".