112653661 has 4 divisors (see below), whose sum is σ = 116538300. Its totient is φ = 108769024.

The previous prime is 112653649. The next prime is 112653707. The reversal of 112653661 is 166356211.

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

It can be written as a sum of positive squares in 2 ways, for example, as 18757561 + 93896100 = 4331^2 + 9690^2 .

It is not a de Polignac number, because 112653661 - 2¹³ = 112645469 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112653631) 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, 1942276 + ... + 1942333.

It is an arithmetic number, because the mean of its divisors is an integer number (29134575).

Almost surely, 2^112653661 is an apocalyptic number.

It is an amenable number.

112653661 is a deficient number, since it is larger than the sum of its proper divisors (3884639).

112653661 is an equidigital number, since it uses as much as digits as its factorization.

112653661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3884638.

The product of its digits is 6480, while the sum is 31.

The square root of 112653661 is about 10613.8428950122. The cubic root of 112653661 is about 482.9643820351.

The spelling of 112653661 in words is "one hundred twelve million, six hundred fifty-three thousand, six hundred sixty-one".