61081190 has 16 divisors (see below), whose sum is σ = 110378592. Its totient is φ = 24336384.

The previous prime is 61081171. The next prime is 61081201. The reversal of 61081190 is 9118016.

It is a super-2 number, since 2×61081190² = 7461823543632200, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 9314 + ... + 14453.

It is an arithmetic number, because the mean of its divisors is an integer number (6898662).

Almost surely, 2^61081190 is an apocalyptic number.

61081190 is a deficient number, since it is larger than the sum of its proper divisors (49297402).

61081190 is a wasteful number, since it uses less digits than its factorization.

61081190 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24031.

The product of its (nonzero) digits is 432, while the sum is 26.

The square root of 61081190 is about 7815.4456046984. The cubic root of 61081190 is about 393.8242879906.

The spelling of 61081190 in words is "sixty-one million, eighty-one thousand, one hundred ninety".