61116345 has 48 divisors (see below), whose sum is σ = 110403072. Its totient is φ = 31242240.

The previous prime is 61116329. The next prime is 61116353. The reversal of 61116345 is 54361116.

61116345 is a `hidden beast` number, since 611 + 1 + 6 + 3 + 45 = 666.

It is not a de Polignac number, because 61116345 - 2⁴ = 61116329 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 269122 + ... + 269348.

It is an arithmetic number, because the mean of its divisors is an integer number (2300064).

Almost surely, 2^61116345 is an apocalyptic number.

It is an amenable number.

61116345 is a deficient number, since it is larger than the sum of its proper divisors (49286727).

61116345 is a wasteful number, since it uses less digits than its factorization.

61116345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 462 (or 459 counting only the distinct ones).

The product of its digits is 2160, while the sum is 27.

The square root of 61116345 is about 7817.6943531965. The cubic root of 61116345 is about 393.8998280904.

The spelling of 61116345 in words is "sixty-one million, one hundred sixteen thousand, three hundred forty-five".