70166712672 has 216 divisors, whose sum is σ = 240712113096. Its totient is φ = 20047523328.

The previous prime is 70166712661. The next prime is 70166712673. The reversal of 70166712672 is 27621766107.

It is a tau number, because it is divible by the number of its divisors (216).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70166712673) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 288948 + ... + 473100.

It is an arithmetic number, because the mean of its divisors is an integer number (1114407931).

Almost surely, 2^70166712672 is an apocalyptic number.

70166712672 is a gapful number since it is divisible by the number (72) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 70166712672, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (120356056548).

70166712672 is an abundant number, since it is smaller than the sum of its proper divisors (170545400424).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

70166712672 is a wasteful number, since it uses less digits than its factorization.

70166712672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 184192 (or 184165 counting only the distinct ones).

The product of its (nonzero) digits is 296352, while the sum is 45.

The spelling of 70166712672 in words is "seventy billion, one hundred sixty-six million, seven hundred twelve thousand, six hundred seventy-two".