84166666701 has 16 divisors (see below), whose sum is σ = 122510248896. Its totient is φ = 51085351296.

The previous prime is 84166666699. The next prime is 84166666733. The reversal of 84166666701 is 10766666148.

It is not a de Polignac number, because 84166666701 - 2¹ = 84166666699 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84166666751) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14778795 + ... + 14784488.

It is an arithmetic number, because the mean of its divisors is an integer number (7656890556).

Almost surely, 2^84166666701 is an apocalyptic number.

It is an amenable number.

84166666701 is a deficient number, since it is larger than the sum of its proper divisors (38343582195).

84166666701 is a wasteful number, since it uses less digits than its factorization.

84166666701 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29563372.

The product of its (nonzero) digits is 1741824, while the sum is 51.

The spelling of 84166666701 in words is "eighty-four billion, one hundred sixty-six million, six hundred sixty-six thousand, seven hundred one".