7161443064 has 64 divisors (see below), whose sum is σ = 20939904000. Its totient is φ = 2261507040.

The previous prime is 7161443053. The next prime is 7161443099. The reversal of 7161443064 is 4603441617.

7161443064 is a `hidden beast` number, since 7 + 1 + 614 + 4 + 30 + 6 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent 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, 868392 + ... + 876599.

It is an arithmetic number, because the mean of its divisors is an integer number (327186000).

Almost surely, 2^7161443064 is an apocalyptic number.

It is an amenable number.

7161443064 is an abundant number, since it is smaller than the sum of its proper divisors (13778460936).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

7161443064 is a wasteful number, since it uses less digits than its factorization.

7161443064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1745025 (or 1745015 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 36.

The square root of 7161443064 is about 84625.3098310429. The cubic root of 7161443064 is about 1927.5257172302.

The spelling of 7161443064 in words is "seven billion, one hundred sixty-one million, four hundred forty-three thousand, sixty-four".