210663177142 has 32 divisors (see below), whose sum is σ = 349825132800. Its totient is φ = 94340248800.

The previous prime is 210663177139. The next prime is 210663177163. The reversal of 210663177142 is 241771366012.

It is a junction number, because it is equal to n+sod(n) for n = 210663177095 and 210663177104.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2184909 + ... + 2279287.

It is an arithmetic number, because the mean of its divisors is an integer number (10932035400).

Almost surely, 2^210663177142 is an apocalyptic number.

210663177142 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

210663177142 is a deficient number, since it is larger than the sum of its proper divisors (139161955658).

210663177142 is a wasteful number, since it uses less digits than its factorization.

210663177142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95892.

The product of its (nonzero) digits is 84672, while the sum is 40.

The spelling of 210663177142 in words is "two hundred ten billion, six hundred sixty-three million, one hundred seventy-seven thousand, one hundred forty-two".