1906890555190 has 8 divisors (see below), whose sum is σ = 3432402999360. Its totient is φ = 762756222072.

The previous prime is 1906890555173. The next prime is 1906890555209. The reversal of 1906890555190 is 915550986091.

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

It is a super-2 number, since 2×1906890555190² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 95344527750 + ... + 95344527769.

It is an arithmetic number, because the mean of its divisors is an integer number (429050374920).

Almost surely, 2^{1906890555190} is an apocalyptic number.

1906890555190 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1906890555190 is a deficient number, since it is larger than the sum of its proper divisors (1525512444170).

1906890555190 is a wasteful number, since it uses less digits than its factorization.

1906890555190 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 190689055526.

The product of its (nonzero) digits is 4374000, while the sum is 58.

The spelling of 1906890555190 in words is "one trillion, nine hundred six billion, eight hundred ninety million, five hundred fifty-five thousand, one hundred ninety".