61154216 has 16 divisors (see below), whose sum is σ = 116116800. Its totient is φ = 30189744.

The previous prime is 61154207. The next prime is 61154251. The reversal of 61154216 is 61245116.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 47750 + ... + 49013.

It is an arithmetic number, because the mean of its divisors is an integer number (7257300).

Almost surely, 2^61154216 is an apocalyptic number.

It is an amenable number.

61154216 is a deficient number, since it is larger than the sum of its proper divisors (54962584).

61154216 is a wasteful number, since it uses less digits than its factorization.

61154216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96848 (or 96844 counting only the distinct ones).

The product of its digits is 1440, while the sum is 26.

The square root of 61154216 is about 7820.1161116700. The cubic root of 61154216 is about 393.9811718523.

It can be divided in two parts, 6 and 1154216, that multiplied together give a palindrome (6925296).

The spelling of 61154216 in words is "sixty-one million, one hundred fifty-four thousand, two hundred sixteen".