1900605106 has 16 divisors (see below), whose sum is σ = 2896464960. Its totient is φ = 935166960.

The previous prime is 1900605101. The next prime is 1900605137. The reversal of 1900605106 is 6015060091.

It is a super-2 number, since 2×1900605106² = 7224599537906542472, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1900605101) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 65440 + ... + 89908.

It is an arithmetic number, because the mean of its divisors is an integer number (181029060).

Almost surely, 2^1900605106 is an apocalyptic number.

1900605106 is a deficient number, since it is larger than the sum of its proper divisors (995859854).

1900605106 is a wasteful number, since it uses less digits than its factorization.

1900605106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25089.

The product of its (nonzero) digits is 1620, while the sum is 28.

The square root of 1900605106 is about 43595.9299247074. The cubic root of 1900605106 is about 1238.6938001476.

Adding to 1900605106 its reverse (6015060091), we get a palindrome (7915665197).

The spelling of 1900605106 in words is "one billion, nine hundred million, six hundred five thousand, one hundred six".