61996130 has 32 divisors (see below), whose sum is σ = 129634560. Its totient is φ = 20905920.

The previous prime is 61996111. The next prime is 61996139. The reversal of 61996130 is 3169916.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is not an unprimeable number, because it can be changed into a prime (61996139) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2990 + ... + 11529.

It is an arithmetic number, because the mean of its divisors is an integer number (4051080).

Almost surely, 2^61996130 is an apocalyptic number.

61996130 is an abundant number, since it is smaller than the sum of its proper divisors (67638430).

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

61996130 is a wasteful number, since it uses less digits than its factorization.

61996130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14594.

The product of its (nonzero) digits is 8748, while the sum is 35.

The square root of 61996130 is about 7873.7621249311. The cubic root of 61996130 is about 395.7809258287.

It can be divided in two parts, 61996 and 130, that added together give a palindrome (62126).

The spelling of 61996130 in words is "sixty-one million, nine hundred ninety-six thousand, one hundred thirty".