1906445161902 has 8 divisors (see below), whose sum is σ = 3812890323816. Its totient is φ = 635481720632.

The previous prime is 1906445161891. The next prime is 1906445161913. The reversal of 1906445161902 is 2091615446091.

It is an interprime number because it is at equal distance from previous prime (1906445161891) and next prime (1906445161913).

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

1906445161902 is an admirable number.

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, 158870430153 + ... + 158870430164.

It is an arithmetic number, because the mean of its divisors is an integer number (476611290477).

Almost surely, 2^{1906445161902} is an apocalyptic number.

1906445161902 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.

1906445161902 is a wasteful number, since it uses less digits than its factorization.

1906445161902 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 317740860322.

The product of its (nonzero) digits is 466560, while the sum is 48.

The spelling of 1906445161902 in words is "one trillion, nine hundred six billion, four hundred forty-five million, one hundred sixty-one thousand, nine hundred two".