2156063300 has 36 divisors (see below), whose sum is σ = 4755370116. Its totient is φ = 848284800.

The previous prime is 2156063291. The next prime is 2156063363. The reversal of 2156063300 is 33606512.

It can be written as a sum of positive squares in 6 ways, for example, as 478996996 + 1677066304 = 21886^2 + 40952^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 2156063300.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 170627 + ... + 182826.

Almost surely, 2^2156063300 is an apocalyptic number.

2156063300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2156063300 is an abundant number, since it is smaller than the sum of its proper divisors (2599306816).

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

2156063300 is a wasteful number, since it uses less digits than its factorization.

2156063300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 353528 (or 353521 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 26.

The square root of 2156063300 is about 46433.4286909765. The cubic root of 2156063300 is about 1291.8750250537.

Adding to 2156063300 its reverse (33606512), we get a palindrome (2189669812).

The spelling of 2156063300 in words is "two billion, one hundred fifty-six million, sixty-three thousand, three hundred".