190101816 has 48 divisors (see below), whose sum is σ = 533933400. Its totient is φ = 63366624.

The previous prime is 190101811. The next prime is 190101823. The reversal of 190101816 is 618101091.

190101816 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×190101816² = 72277400892995712, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a self number, because there is not a number n which added to its sum of digits gives 190101816.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (190101811) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 46951 + ... + 50838.

Almost surely, 2^190101816 is an apocalyptic number.

It is an amenable number.

190101816 is an abundant number, since it is smaller than the sum of its proper divisors (343831584).

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

190101816 is an equidigital number, since it uses as much as digits as its factorization.

190101816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97810 (or 97794 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 27.

The square root of 190101816 is about 13787.7415119373. The cubic root of 190101816 is about 574.9923789790.

The spelling of 190101816 in words is "one hundred ninety million, one hundred one thousand, eight hundred sixteen".