61516226556442 has 16 divisors (see below), whose sum is σ = 105456688660800. Its totient is φ = 26364022026048.

The previous prime is 61516226556427. The next prime is 61516226556461. The reversal of 61516226556442 is 24465562261516.

It is a super-2 number, since 2×61516226556442² (a number of 28 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1011888 + ... + 11138059.

It is an arithmetic number, because the mean of its divisors is an integer number (6591043041300).

Almost surely, 2^{61516226556442} is an apocalyptic number.

61516226556442 is a deficient number, since it is larger than the sum of its proper divisors (43940462104358).

61516226556442 is a wasteful number, since it uses less digits than its factorization.

61516226556442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12511605.

The product of its digits is 20736000, while the sum is 55.

The spelling of 61516226556442 in words is "sixty-one trillion, five hundred sixteen billion, two hundred twenty-six million, five hundred fifty-six thousand, four hundred forty-two".