1902967161 has 16 divisors (see below), whose sum is σ = 2594869248. Its totient is φ = 1239930000.

The previous prime is 1902967141. The next prime is 1902967181. The reversal of 1902967161 is 1617692091.

It is an interprime number because it is at equal distance from previous prime (1902967141) and next prime (1902967181).

It is not a de Polignac number, because 1902967161 - 2¹⁸ = 1902705017 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1902967141) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 96906 + ... + 114876.

It is an arithmetic number, because the mean of its divisors is an integer number (162179328).

Almost surely, 2^1902967161 is an apocalyptic number.

It is an amenable number.

1902967161 is a deficient number, since it is larger than the sum of its proper divisors (691902087).

1902967161 is a wasteful number, since it uses less digits than its factorization.

1902967161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18772.

The product of its (nonzero) digits is 40824, while the sum is 42.

The square root of 1902967161 is about 43623.0118286209. The cubic root of 1902967161 is about 1239.2067335694.

The spelling of 1902967161 in words is "one billion, nine hundred two million, nine hundred sixty-seven thousand, one hundred sixty-one".