61966023333387 has 8 divisors (see below), whose sum is σ = 82637606132736. Its totient is φ = 41302561378152.

The previous prime is 61966023333373. The next prime is 61966023333421. The reversal of 61966023333387 is 78333332066916.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 61966023333387 - 2⁴ = 61966023333371 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 61966023333387.

It is not an unprimeable number, because it can be changed into a prime (61966023333187) 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, 2030193223 + ... + 2030223744.

It is an arithmetic number, because the mean of its divisors is an integer number (10329700766592).

Almost surely, 2^{61966023333387} is an apocalyptic number.

61966023333387 is a deficient number, since it is larger than the sum of its proper divisors (20671582799349).

61966023333387 is a wasteful number, since it uses less digits than its factorization.

61966023333387 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4060422057.

The product of its (nonzero) digits is 52907904, while the sum is 60.

The spelling of 61966023333387 in words is "sixty-one trillion, nine hundred sixty-six billion, twenty-three million, three hundred thirty-three thousand, three hundred eighty-seven".