2061187698 has 8 divisors (see below), whose sum is σ = 4122375408. Its totient is φ = 687062564.

The previous prime is 2061187669. The next prime is 2061187717. The reversal of 2061187698 is 8967811602.

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

2061187698 is an admirable number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 171765636 + ... + 171765647.

It is an arithmetic number, because the mean of its divisors is an integer number (515296926).

Almost surely, 2^2061187698 is an apocalyptic number.

2061187698 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

2061187698 is a wasteful number, since it uses less digits than its factorization.

2061187698 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 343531288.

The product of its (nonzero) digits is 290304, while the sum is 48.

The square root of 2061187698 is about 45400.3050430281. The cubic root of 2061187698 is about 1272.6408144791.

The spelling of 2061187698 in words is "two billion, sixty-one million, one hundred eighty-seven thousand, six hundred ninety-eight".