1653194190 has 16 divisors (see below), whose sum is σ = 3967666128. Its totient is φ = 440851776.

The previous prime is 1653194177. The next prime is 1653194209. The reversal of 1653194190 is 914913561.

It is a super-2 number, since 2×1653194190² = 5466102059699512200, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27553207 + ... + 27553266.

It is an arithmetic number, because the mean of its divisors is an integer number (247979133).

Almost surely, 2^1653194190 is an apocalyptic number.

1653194190 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1653194190 is an abundant number, since it is smaller than the sum of its proper divisors (2314471938).

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

1653194190 is a wasteful number, since it uses less digits than its factorization.

1653194190 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55106483.

The product of its (nonzero) digits is 29160, while the sum is 39.

The square root of 1653194190 is about 40659.4907739878. The cubic root of 1653194190 is about 1182.4277771163.

The spelling of 1653194190 in words is "one billion, six hundred fifty-three million, one hundred ninety-four thousand, one hundred ninety".