7161645436 has 24 divisors (see below), whose sum is σ = 13859529264. Its totient is φ = 3210698880.

The previous prime is 7161645427. The next prime is 7161645461. The reversal of 7161645436 is 6345461617.

It is a hoax number, since the sum of its digits (43) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 7161645392 and 7161645401.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1111615 + ... + 1118038.

It is an arithmetic number, because the mean of its divisors is an integer number (577480386).

Almost surely, 2^7161645436 is an apocalyptic number.

It is an amenable number.

7161645436 is a deficient number, since it is larger than the sum of its proper divisors (6697883828).

7161645436 is a wasteful number, since it uses less digits than its factorization.

7161645436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2229741 (or 2229739 counting only the distinct ones).

The product of its digits is 362880, while the sum is 43.

The square root of 7161645436 is about 84626.5055168887. The cubic root of 7161645436 is about 1927.5438734201.

The spelling of 7161645436 in words is "seven billion, one hundred sixty-one million, six hundred forty-five thousand, four hundred thirty-six".