61651060 has 24 divisors (see below), whose sum is σ = 129650976. Its totient is φ = 24625440.

The previous prime is 61651049. The next prime is 61651069. The reversal of 61651060 is 6015616.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61651069) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15915 + ... + 19405.

It is an arithmetic number, because the mean of its divisors is an integer number (5402124).

Almost surely, 2^61651060 is an apocalyptic number.

It is an amenable number.

61651060 is an abundant number, since it is smaller than the sum of its proper divisors (67999916).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

61651060 is a wasteful number, since it uses less digits than its factorization.

61651060 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4383 (or 4381 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 25.

The square root of 61651060 is about 7851.8188975549. The cubic root of 61651060 is about 395.0452546559.

Adding to 61651060 its reverse (6015616), we get a palindrome (67666676).

It can be divided in two parts, 6165 and 1060, that added together give a square (7225 = 85²).

The spelling of 61651060 in words is "sixty-one million, six hundred fifty-one thousand, sixty".