9901691067 has 8 divisors (see below), whose sum is σ = 13657505040. Its totient is φ = 6373502240.

The previous prime is 9901691057. The next prime is 9901691071. The reversal of 9901691067 is 7601961099.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 9901691067 - 2¹¹ = 9901689019 is a prime.

It is not an unprimeable number, because it can be changed into a prime (9901691047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 56906184 + ... + 56906357.

It is an arithmetic number, because the mean of its divisors is an integer number (1707188130).

Almost surely, 2^9901691067 is an apocalyptic number.

9901691067 is a deficient number, since it is larger than the sum of its proper divisors (3755813973).

9901691067 is a wasteful number, since it uses less digits than its factorization.

9901691067 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113812573.

The product of its (nonzero) digits is 183708, while the sum is 48.

The square root of 9901691067 is about 99507.2412792155. The cubic root of 9901691067 is about 2147.3514216001.

The spelling of 9901691067 in words is "nine billion, nine hundred one million, six hundred ninety-one thousand, sixty-seven".