61518042622 has 32 divisors (see below), whose sum is σ = 96384768480. Its totient is φ = 29423761920.

The previous prime is 61518042617. The next prime is 61518042629. The reversal of 61518042622 is 22624081516.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61518042629) 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, 1197154 + ... + 1247482.

It is an arithmetic number, because the mean of its divisors is an integer number (3012024015).

Almost surely, 2^61518042622 is an apocalyptic number.

61518042622 is a deficient number, since it is larger than the sum of its proper divisors (34866725858).

61518042622 is a wasteful number, since it uses less digits than its factorization.

61518042622 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50668.

The product of its (nonzero) digits is 46080, while the sum is 37.

The spelling of 61518042622 in words is "sixty-one billion, five hundred eighteen million, forty-two thousand, six hundred twenty-two".