980164111 has 4 divisors (see below), whose sum is σ = 984231424. Its totient is φ = 976096800.

The previous prime is 980164099. The next prime is 980164117. The reversal of 980164111 is 111461089.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 980164111 - 2¹⁵ = 980131343 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (980164117) 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, 2033295 + ... + 2033776.

It is an arithmetic number, because the mean of its divisors is an integer number (246057856).

Almost surely, 2^980164111 is an apocalyptic number.

980164111 is a deficient number, since it is larger than the sum of its proper divisors (4067313).

980164111 is a wasteful number, since it uses less digits than its factorization.

980164111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4067312.

The product of its (nonzero) digits is 1728, while the sum is 31.

The square root of 980164111 is about 31307.5727420699. The cubic root of 980164111 is about 993.3438307100.

The spelling of 980164111 in words is "nine hundred eighty million, one hundred sixty-four thousand, one hundred eleven".