61651126 has 32 divisors (see below), whose sum is σ = 99348480. Its totient is φ = 28641600.

The previous prime is 61651123. The next prime is 61651133. The reversal of 61651126 is 62115616.

It is a super-2 number, since 2×61651126² = 7601722674135752, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 61651094 and 61651103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61651123) 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, 200665 + ... + 200971.

It is an arithmetic number, because the mean of its divisors is an integer number (3104640).

Almost surely, 2^61651126 is an apocalyptic number.

61651126 is a deficient number, since it is larger than the sum of its proper divisors (37697354).

61651126 is a wasteful number, since it uses less digits than its factorization.

61651126 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 460.

The product of its digits is 2160, while the sum is 28.

The square root of 61651126 is about 7851.8231004016. The cubic root of 61651126 is about 395.0453956266.

The spelling of 61651126 in words is "sixty-one million, six hundred fifty-one thousand, one hundred twenty-six".