205773161450 has 24 divisors (see below), whose sum is σ = 382751820768. Its totient is φ = 82306309680.

The previous prime is 205773161449. The next prime is 205773161471. The reversal of 205773161450 is 54161377502.

It is a super-2 number, since 2×205773161450² (a number of 23 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (41) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 205773161398 and 205773161407.

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, 1806899 + ... + 1917401.

It is an arithmetic number, because the mean of its divisors is an integer number (15947992532).

Almost surely, 2^205773161450 is an apocalyptic number.

205773161450 is a deficient number, since it is larger than the sum of its proper divisors (176978659318).

205773161450 is a wasteful number, since it uses less digits than its factorization.

205773161450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147758 (or 147753 counting only the distinct ones).

The product of its (nonzero) digits is 176400, while the sum is 41.

The spelling of 205773161450 in words is "two hundred five billion, seven hundred seventy-three million, one hundred sixty-one thousand, four hundred fifty".