2162169654 has 16 divisors (see below), whose sum is σ = 4338247680. Its totient is φ = 718405160.

The previous prime is 2162169641. The next prime is 2162169683. The reversal of 2162169654 is 4569612612.

It is a super-2 number, since 2×2162169654² = 9349955225356959432, which contains 22 as substring.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 577494 + ... + 581225.

It is an arithmetic number, because the mean of its divisors is an integer number (271140480).

Almost surely, 2^2162169654 is an apocalyptic number.

2162169654 is an abundant number, since it is smaller than the sum of its proper divisors (2176078026).

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

2162169654 is a wasteful number, since it uses less digits than its factorization.

2162169654 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1159035.

The product of its digits is 155520, while the sum is 42.

The square root of 2162169654 is about 46499.1360564903. The cubic root of 2162169654 is about 1293.0934819475.

The spelling of 2162169654 in words is "two billion, one hundred sixty-two million, one hundred sixty-nine thousand, six hundred fifty-four".