16801552797 has 8 divisors (see below), whose sum is σ = 22403844480. Its totient is φ = 11200148160.

The previous prime is 16801552783. The next prime is 16801552799. The reversal of 16801552797 is 79725510861.

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

It is not a de Polignac number, because 16801552797 - 2¹⁹ = 16801028509 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16801552799) 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, 176229 + ... + 254282.

It is an arithmetic number, because the mean of its divisors is an integer number (2800480560).

Almost surely, 2^16801552797 is an apocalyptic number.

It is an amenable number.

16801552797 is a deficient number, since it is larger than the sum of its proper divisors (5602291683).

16801552797 is a wasteful number, since it uses less digits than its factorization.

16801552797 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 443523.

The product of its (nonzero) digits is 1058400, while the sum is 51.

The spelling of 16801552797 in words is "sixteen billion, eight hundred one million, five hundred fifty-two thousand, seven hundred ninety-seven".