70191969120 has 1344 divisors, whose sum is σ = 324838200960. Its totient is φ = 13902741504.

The previous prime is 70191969119. The next prime is 70191969131. The reversal of 70191969120 is 2196919107.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 223 ways as a sum of consecutive naturals, for example, 180441886 + ... + 180442274.

It is an arithmetic number, because the mean of its divisors is an integer number (241695090).

Almost surely, 2^70191969120 is an apocalyptic number.

70191969120 is a gapful number since it is divisible by the number (70) 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 70191969120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (162419100480).

70191969120 is an abundant number, since it is smaller than the sum of its proper divisors (254646231840).

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

70191969120 is a wasteful number, since it uses less digits than its factorization.

70191969120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 459 (or 436 counting only the distinct ones).

The product of its (nonzero) digits is 61236, while the sum is 45.

The spelling of 70191969120 in words is "seventy billion, one hundred ninety-one million, nine hundred sixty-nine thousand, one hundred twenty".