19150164 has 72 divisors (see below), whose sum is σ = 54276768. Its totient is φ = 5641920.

The previous prime is 19150151. The next prime is 19150171. The reversal of 19150164 is 46105191.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13999 + ... + 15305.

It is an arithmetic number, because the mean of its divisors is an integer number (753844).

Almost surely, 2^19150164 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 19150164, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27138384).

19150164 is an abundant number, since it is smaller than the sum of its proper divisors (35126604).

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

19150164 is a wasteful number, since it uses less digits than its factorization.

19150164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1365 (or 1360 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 27.

The square root of 19150164 is about 4376.0900356368. The cubic root of 19150164 is about 267.5412997054.

The spelling of 19150164 in words is "nineteen million, one hundred fifty thousand, one hundred sixty-four".