7161656351 has 4 divisors (see below), whose sum is σ = 7582930272. Its totient is φ = 6740382432.

The previous prime is 7161656347. The next prime is 7161656357. The reversal of 7161656351 is 1536561617.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 7161656351 - 2² = 7161656347 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 7161656299 and 7161656308.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7161656357) 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 3 ways as a sum of consecutive naturals, for example, 210636935 + ... + 210636968.

It is an arithmetic number, because the mean of its divisors is an integer number (1895732568).

Almost surely, 2^7161656351 is an apocalyptic number.

7161656351 is a deficient number, since it is larger than the sum of its proper divisors (421273921).

7161656351 is a wasteful number, since it uses less digits than its factorization.

7161656351 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 421273920.

The product of its digits is 113400, while the sum is 41.

The square root of 7161656351 is about 84626.5700061157. The cubic root of 7161656351 is about 1927.5448526704.

The spelling of 7161656351 in words is "seven billion, one hundred sixty-one million, six hundred fifty-six thousand, three hundred fifty-one".