61766260956398 has 32 divisors (see below), whose sum is σ = 97639377264000. Its totient is φ = 29261464979040.

The previous prime is 61766260956373. The next prime is 61766260956419. The reversal of 61766260956398 is 89365906266716.

It is a Smith number, since the sum of its digits (74) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13851428 + ... + 17759351.

It is an arithmetic number, because the mean of its divisors is an integer number (3051230539500).

Almost surely, 2^{61766260956398} is an apocalyptic number.

61766260956398 is a deficient number, since it is larger than the sum of its proper divisors (35873116307602).

61766260956398 is a wasteful number, since it uses less digits than its factorization.

61766260956398 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31611440.

The product of its (nonzero) digits is 1058158080, while the sum is 74.

The spelling of 61766260956398 in words is "sixty-one trillion, seven hundred sixty-six billion, two hundred sixty million, nine hundred fifty-six thousand, three hundred ninety-eight".