61662116 has 12 divisors (see below), whose sum is σ = 108977820. Its totient is φ = 30525600.

The previous prime is 61662113. The next prime is 61662119. The reversal of 61662116 is 61126616.

It is an interprime number because it is at equal distance from previous prime (61662113) and next prime (61662119).

It can be written as a sum of positive squares in 2 ways, for example, as 60124516 + 1537600 = 7754^2 + 1240^2 .

It is a hoax number, since the sum of its digits (29) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (61662113) 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, 75911 + ... + 76718.

It is an arithmetic number, because the mean of its divisors is an integer number (9081485).

Almost surely, 2^61662116 is an apocalyptic number.

It is an amenable number.

61662116 is a deficient number, since it is larger than the sum of its proper divisors (47315704).

61662116 is a wasteful number, since it uses less digits than its factorization.

61662116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 152734 (or 152732 counting only the distinct ones).

The product of its digits is 2592, while the sum is 29.

The square root of 61662116 is about 7852.5229066842. The cubic root of 61662116 is about 395.0688679794.

The spelling of 61662116 in words is "sixty-one million, six hundred sixty-two thousand, one hundred sixteen".