61017141667 has 4 divisors (see below), whose sum is σ = 61213338576. Its totient is φ = 60820944760.

The previous prime is 61017141641. The next prime is 61017141673. The reversal of 61017141667 is 76614171016.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 61017141667 - 2²³ = 61008753059 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (61017141677) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 98097988 + ... + 98098609.

It is an arithmetic number, because the mean of its divisors is an integer number (15303334644).

Almost surely, 2^61017141667 is an apocalyptic number.

61017141667 is a deficient number, since it is larger than the sum of its proper divisors (196196909).

61017141667 is a wasteful number, since it uses less digits than its factorization.

61017141667 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 196196908.

The product of its (nonzero) digits is 42336, while the sum is 40.

The spelling of 61017141667 in words is "sixty-one billion, seventeen million, one hundred forty-one thousand, six hundred sixty-seven".