102525166 has 4 divisors (see below), whose sum is σ = 153787752. Its totient is φ = 51262582.

The previous prime is 102525151. The next prime is 102525167. The reversal of 102525166 is 661525201.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×102525166² = 21022819326655112, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102525167) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25631290 + ... + 25631293.

It is an arithmetic number, because the mean of its divisors is an integer number (38446938).

Almost surely, 2^102525166 is an apocalyptic number.

102525166 is a deficient number, since it is larger than the sum of its proper divisors (51262586).

102525166 is an equidigital number, since it uses as much as digits as its factorization.

102525166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51262585.

The product of its (nonzero) digits is 3600, while the sum is 28.

The square root of 102525166 is about 10125.4711495318. The cubic root of 102525166 is about 468.0333790447.

The spelling of 102525166 in words is "one hundred two million, five hundred twenty-five thousand, one hundred sixty-six".