116603531 has 4 divisors (see below), whose sum is σ = 127203864. Its totient is φ = 106003200.

The previous prime is 116603521. The next prime is 116603533. The reversal of 116603531 is 135306611.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-116603531 is a prime.

It is a super-2 number, since 2×116603531² = 27192766883335922, which contains 22 as substring.

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 116603531.

It is not an unprimeable number, because it can be changed into a prime (116603533) 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, 5300150 + ... + 5300171.

It is an arithmetic number, because the mean of its divisors is an integer number (31800966).

Almost surely, 2^116603531 is an apocalyptic number.

116603531 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

116603531 is a deficient number, since it is larger than the sum of its proper divisors (10600333).

116603531 is a wasteful number, since it uses less digits than its factorization.

116603531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10600332.

The product of its (nonzero) digits is 1620, while the sum is 26.

The square root of 116603531 is about 10798.3114883763. The cubic root of 116603531 is about 488.5442438189.

The spelling of 116603531 in words is "one hundred sixteen million, six hundred three thousand, five hundred thirty-one".