7917161961429 has 12 divisors (see below), whose sum is σ = 13069600698336. Its totient is φ = 4524092549352.

The previous prime is 7917161961427. The next prime is 7917161961437. The reversal of 7917161961429 is 9241691617197.

7917161961429 is a `hidden beast` number, since 7 + 9 + 1 + 7 + 1 + 6 + 1 + 9 + 614 + 2 + 9 = 666.

It is not a de Polignac number, because 7917161961429 - 2¹ = 7917161961427 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (63), and also a Moran number because the ratio is a prime number: 125669237483 = 7917161961429 / (7 + 9 + 1 + 7 + 1 + 6 + 1 + 9 + 6 + 1 + 4 + 2 + 9).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7917161961421) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 62834618679 + ... + 62834618804.

It is an arithmetic number, because the mean of its divisors is an integer number (1089133391528).

Almost surely, 2^{7917161961429} is an apocalyptic number.

It is an amenable number.

7917161961429 is a deficient number, since it is larger than the sum of its proper divisors (5152438736907).

7917161961429 is a wasteful number, since it uses less digits than its factorization.

7917161961429 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125669237496 (or 125669237493 counting only the distinct ones).

The product of its digits is 10287648, while the sum is 63.

The spelling of 7917161961429 in words is "seven trillion, nine hundred seventeen billion, one hundred sixty-one million, nine hundred sixty-one thousand, four hundred twenty-nine".