4365161808 has 80 divisors (see below), whose sum is σ = 13645733760. Its totient is φ = 1173823488.

The previous prime is 4365161807. The next prime is 4365161869. The reversal of 4365161808 is 8081615634.

It is a super-2 number, since 2×4365161808² = 38109275220043657728, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a self number, because there is not a number n which added to its sum of digits gives 4365161808.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4365161803) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 376393 + ... + 387816.

It is an arithmetic number, because the mean of its divisors is an integer number (170571672).

Almost surely, 2^4365161808 is an apocalyptic number.

4365161808 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

4365161808 is an abundant number, since it is smaller than the sum of its proper divisors (9280571952).

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

4365161808 is a wasteful number, since it uses less digits than its factorization.

4365161808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 764244 (or 764238 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 42.

The square root of 4365161808 is about 66069.3711790872. The cubic root of 4365161808 is about 1634.3062777232.

The spelling of 4365161808 in words is "four billion, three hundred sixty-five million, one hundred sixty-one thousand, eight hundred eight".