2106603455 has 32 divisors (see below), whose sum is σ = 2817944640. Its totient is φ = 1498798080.

The previous prime is 2106603449. The next prime is 2106603469. The reversal of 2106603455 is 5543066012.

It is not a de Polignac number, because 2106603455 - 2⁸ = 2106603199 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1261361 + ... + 1263029.

It is an arithmetic number, because the mean of its divisors is an integer number (88060770).

Almost surely, 2^2106603455 is an apocalyptic number.

2106603455 is a deficient number, since it is larger than the sum of its proper divisors (711341185).

2106603455 is a wasteful number, since it uses less digits than its factorization.

2106603455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2171.

The product of its (nonzero) digits is 21600, while the sum is 32.

The square root of 2106603455 is about 45897.7499993191. The cubic root of 2106603455 is about 1281.9200219365.

Adding to 2106603455 its reverse (5543066012), we get a palindrome (7649669467).

The spelling of 2106603455 in words is "two billion, one hundred six million, six hundred three thousand, four hundred fifty-five".