61062660 has 60 divisors (see below), whose sum is σ = 191560908. Its totient is φ = 16282944.

The previous prime is 61062643. The next prime is 61062671. The reversal of 61062660 is 6626016.

61062660 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 15256836 + 45805824 = 3906^2 + 6768^2 .

It is a tau number, because it is divible by the number of its divisors (60).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 17227 + ... + 20466.

Almost surely, 2^61062660 is an apocalyptic number.

61062660 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

61062660 is an abundant number, since it is smaller than the sum of its proper divisors (130498248).

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

61062660 is a wasteful number, since it uses less digits than its factorization.

61062660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37714 (or 37703 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

The square root of 61062660 is about 7814.2600417442. The cubic root of 61062660 is about 393.7844595692.

Adding to 61062660 its reverse (6626016), we get a palindrome (67688676).

The spelling of 61062660 in words is "sixty-one million, sixty-two thousand, six hundred sixty".