7161628499 has 8 divisors (see below), whose sum is σ = 7386762240. Its totient is φ = 6938156736.

The previous prime is 7161628493. The next prime is 7161628549. The reversal of 7161628499 is 9948261617.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 7161628499 - 2⁴ = 7161628483 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 7161628499.

It is not an unprimeable number, because it can be changed into a prime (7161628493) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 406739 + ... + 423980.

It is an arithmetic number, because the mean of its divisors is an integer number (923345280).

Almost surely, 2^7161628499 is an apocalyptic number.

7161628499 is a deficient number, since it is larger than the sum of its proper divisors (225133741).

7161628499 is a wasteful number, since it uses less digits than its factorization.

7161628499 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 830989.

The product of its digits is 1306368, while the sum is 53.

The square root of 7161628499 is about 84626.4054477088. The cubic root of 7161628499 is about 1927.5423538979.

The spelling of 7161628499 in words is "seven billion, one hundred sixty-one million, six hundred twenty-eight thousand, four hundred ninety-nine".