16610509763 has 4 divisors (see below), whose sum is σ = 16765748280. Its totient is φ = 16455271248.

The previous prime is 16610509697. The next prime is 16610509849. The reversal of 16610509763 is 36790501661.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 36790501661 = 39419 ⋅933319.

It is a cyclic number.

It is not a de Polignac number, because 16610509763 - 2⁸ = 16610509507 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16610509163) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 77619098 + ... + 77619311.

It is an arithmetic number, because the mean of its divisors is an integer number (4191437070).

Almost surely, 2^16610509763 is an apocalyptic number.

16610509763 is a deficient number, since it is larger than the sum of its proper divisors (155238517).

16610509763 is a wasteful number, since it uses less digits than its factorization.

16610509763 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155238516.

The product of its (nonzero) digits is 204120, while the sum is 44.

The spelling of 16610509763 in words is "sixteen billion, six hundred ten million, five hundred nine thousand, seven hundred sixty-three".