1070191668 has 96 divisors (see below), whose sum is σ = 3085121536. Its totient is φ = 281169792.

The previous prime is 1070191613. The next prime is 1070191693. The reversal of 1070191668 is 8661910701.

It is a super-2 number, since 2×1070191668² = 2290620412513244448, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 307305 + ... + 310767.

Almost surely, 2^1070191668 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1070191668, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1542560768).

1070191668 is an abundant number, since it is smaller than the sum of its proper divisors (2014929868).

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

1070191668 is a wasteful number, since it uses less digits than its factorization.

1070191668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3773 (or 3771 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 39.

The square root of 1070191668 is about 32713.7840672705. The cubic root of 1070191668 is about 1022.8701897056.

The spelling of 1070191668 in words is "one billion, seventy million, one hundred ninety-one thousand, six hundred sixty-eight".