70191016 has 64 divisors (see below), whose sum is σ = 162288000. Its totient is φ = 27786240.

The previous prime is 70191013. The next prime is 70191041. The reversal of 70191016 is 61019107.

It is a super-2 number, since 2×70191016² = 9853557454224512, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (70191013) 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, 42820 + ... + 44428.

It is an arithmetic number, because the mean of its divisors is an integer number (2535750).

Almost surely, 2^70191016 is an apocalyptic number.

70191016 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 70191016, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (81144000).

70191016 is an abundant number, since it is smaller than the sum of its proper divisors (92096984).

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

70191016 is a wasteful number, since it uses less digits than its factorization.

70191016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1682 (or 1678 counting only the distinct ones).

The product of its (nonzero) digits is 378, while the sum is 25.

The square root of 70191016 is about 8378.0078777714. The cubic root of 70191016 is about 412.5030616240.

It can be divided in two parts, 7019101 and 6, that added together give a palindrome (7019107).

The spelling of 70191016 in words is "seventy million, one hundred ninety-one thousand, sixteen".