190729000561 has 8 divisors (see below), whose sum is σ = 213691460544. Its totient is φ = 168703783920.

The previous prime is 190729000499. The next prime is 190729000603. The reversal of 190729000561 is 165000927091.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 190729000561 - 2¹⁹ = 190728476273 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (190729000361) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 234310405 + ... + 234311218.

It is an arithmetic number, because the mean of its divisors is an integer number (26711432568).

Almost surely, 2^190729000561 is an apocalyptic number.

190729000561 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

190729000561 is the 233440-th centered heptagonal number.

It is an amenable number.

190729000561 is a deficient number, since it is larger than the sum of its proper divisors (22962459983).

190729000561 is a wasteful number, since it uses less digits than its factorization.

190729000561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 468621671.

The product of its (nonzero) digits is 34020, while the sum is 40.

The spelling of 190729000561 in words is "one hundred ninety billion, seven hundred twenty-nine million, five hundred sixty-one", and thus it is an aban number.