197619016 has 128 divisors (see below), whose sum is σ = 472469760. Its totient is φ = 75571200.

The previous prime is 197619011. The next prime is 197619061. The reversal of 197619016 is 610916791.

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 197619016.

It is not an unprimeable number, because it can be changed into a prime (197619011) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2380911 + ... + 2380993.

It is an arithmetic number, because the mean of its divisors is an integer number (3691170).

Almost surely, 2^197619016 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 197619016, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (236234880).

197619016 is an abundant number, since it is smaller than the sum of its proper divisors (274850744).

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

197619016 is a wasteful number, since it uses less digits than its factorization.

197619016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 215 (or 211 counting only the distinct ones).

The product of its (nonzero) digits is 20412, while the sum is 40.

The square root of 197619016 is about 14057.7030840746. The cubic root of 197619016 is about 582.4735972609.

The spelling of 197619016 in words is "one hundred ninety-seven million, six hundred nineteen thousand, sixteen".