61226902190 has 16 divisors (see below), whose sum is σ = 110218499280. Its totient is φ = 24488521920.

The previous prime is 61226902189. The next prime is 61226902193. The reversal of 61226902190 is 9120962216.

It is a super-2 number, since 2×61226902190² (a number of 22 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61226902193) 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, 162680 + ... + 385899.

It is an arithmetic number, because the mean of its divisors is an integer number (6888656205).

Almost surely, 2^61226902190 is an apocalyptic number.

61226902190 is a deficient number, since it is larger than the sum of its proper divisors (48991597090).

61226902190 is a wasteful number, since it uses less digits than its factorization.

61226902190 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 559747.

The product of its (nonzero) digits is 23328, while the sum is 38.

The spelling of 61226902190 in words is "sixty-one billion, two hundred twenty-six million, nine hundred two thousand, one hundred ninety".