80190649 has 16 divisors (see below), whose sum is σ = 105860736. Its totient is φ = 58809600.

The previous prime is 80190647. The next prime is 80190653. The reversal of 80190649 is 94609108.

It is a cyclic number.

It is not a de Polignac number, because 80190649 - 2¹ = 80190647 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (80190641) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29322 + ... + 31939.

It is an arithmetic number, because the mean of its divisors is an integer number (6616296).

Almost surely, 2^80190649 is an apocalyptic number.

It is an amenable number.

80190649 is a deficient number, since it is larger than the sum of its proper divisors (25670087).

80190649 is a wasteful number, since it uses less digits than its factorization.

80190649 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61296.

The product of its (nonzero) digits is 15552, while the sum is 37.

The square root of 80190649 is about 8954.9231710830. The cubic root of 80190649 is about 431.2289504814.

The spelling of 80190649 in words is "eighty million, one hundred ninety thousand, six hundred forty-nine".