19106916 has 12 divisors (see below), whose sum is σ = 44582832. Its totient is φ = 6368968.

The previous prime is 19106909. The next prime is 19106933. The reversal of 19106916 is 61960191.

It is a tau number, because it is divible by the number of its divisors (12).

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 796110 + ... + 796133.

It is an arithmetic number, because the mean of its divisors is an integer number (3715236).

Almost surely, 2^19106916 is an apocalyptic number.

It is an amenable number.

19106916 is an abundant number, since it is smaller than the sum of its proper divisors (25475916).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

19106916 is a wasteful number, since it uses less digits than its factorization.

19106916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1592250 (or 1592248 counting only the distinct ones).

The product of its (nonzero) digits is 2916, while the sum is 33.

The square root of 19106916 is about 4371.1458451989. The cubic root of 19106916 is about 267.3397462131.

The spelling of 19106916 in words is "nineteen million, one hundred six thousand, nine hundred sixteen".