61096990 has 32 divisors (see below), whose sum is σ = 114840864. Its totient is φ = 23379840.

The previous prime is 61096967. The next prime is 61096999. The reversal of 61096990 is 9969016.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61096999) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21217 + ... + 23923.

It is an arithmetic number, because the mean of its divisors is an integer number (3588777).

Almost surely, 2^61096990 is an apocalyptic number.

61096990 is a deficient number, since it is larger than the sum of its proper divisors (53743874).

61096990 is a wasteful number, since it uses less digits than its factorization.

61096990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2812.

The product of its (nonzero) digits is 26244, while the sum is 40.

The square root of 61096990 is about 7816.4563582227. The cubic root of 61096990 is about 393.8582421823.

The spelling of 61096990 in words is "sixty-one million, ninety-six thousand, nine hundred ninety".