70706191989136 has 160 divisors (see below), whose sum is σ = 157780000540800. Its totient is φ = 30357268439040.

The previous prime is 70706191989133. The next prime is 70706191989197. The reversal of 70706191989136 is 63198919160707.

It is not an unprimeable number, because it can be changed into a prime (70706191989133) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6247780150 + ... + 6247791466.

It is an arithmetic number, because the mean of its divisors is an integer number (986125003380).

Almost surely, 2^{70706191989136} is an apocalyptic number.

70706191989136 is a gapful number since it is divisible by the number (76) 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 70706191989136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (78890000270400).

70706191989136 is an abundant number, since it is smaller than the sum of its proper divisors (87073808551664).

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

70706191989136 is a wasteful number, since it uses less digits than its factorization.

70706191989136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16737 (or 16731 counting only the distinct ones).

The product of its (nonzero) digits is 30862944, while the sum is 67.

The spelling of 70706191989136 in words is "seventy trillion, seven hundred six billion, one hundred ninety-one million, nine hundred eighty-nine thousand, one hundred thirty-six".