70991161096345 has 16 divisors (see below), whose sum is σ = 97392683305728. Its totient is φ = 48662964993600.

The previous prime is 70991161096307. The next prime is 70991161096441. The reversal of 70991161096345 is 54369016119907.

It is a de Polignac number, because none of the positive numbers 2^k-70991161096345 is a prime.

It is a super-3 number, since 3×70991161096345³ (a number of 43 digits) contains 333 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 347569981 + ... + 347774170.

It is an arithmetic number, because the mean of its divisors is an integer number (6087042706608).

Almost surely, 2^{70991161096345} is an apocalyptic number.

It is an amenable number.

70991161096345 is a deficient number, since it is larger than the sum of its proper divisors (26401522209383).

70991161096345 is a wasteful number, since it uses less digits than its factorization.

70991161096345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 695347080.

The product of its (nonzero) digits is 11022480, while the sum is 61.

The spelling of 70991161096345 in words is "seventy trillion, nine hundred ninety-one billion, one hundred sixty-one million, ninety-six thousand, three hundred forty-five".