61880166467 has 8 divisors (see below), whose sum is σ = 70778025216. Its totient is φ = 52996766472.

The previous prime is 61880166463. The next prime is 61880166527. The reversal of 61880166467 is 76466108816.

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

It is a cyclic number.

It is not a de Polignac number, because 61880166467 - 2² = 61880166463 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (61880166463) 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, 3605513 + ... + 3622634.

It is an arithmetic number, because the mean of its divisors is an integer number (8847253152).

Almost surely, 2^61880166467 is an apocalyptic number.

61880166467 is a deficient number, since it is larger than the sum of its proper divisors (8897858749).

61880166467 is a wasteful number, since it uses less digits than its factorization.

61880166467 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7229377.

The product of its (nonzero) digits is 2322432, while the sum is 53.

The spelling of 61880166467 in words is "sixty-one billion, eight hundred eighty million, one hundred sixty-six thousand, four hundred sixty-seven".