102668446 has 4 divisors (see below), whose sum is σ = 154002672. Its totient is φ = 51334222.

The previous prime is 102668417. The next prime is 102668509. The reversal of 102668446 is 644866201.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 644866201 = 7 ⋅92123743.

It is a super-4 number, since 4×102668446⁴ (a number of 33 digits) contains 4444 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25667110 + ... + 25667113.

It is an arithmetic number, because the mean of its divisors is an integer number (38500668).

Almost surely, 2^102668446 is an apocalyptic number.

102668446 is a deficient number, since it is larger than the sum of its proper divisors (51334226).

102668446 is an equidigital number, since it uses as much as digits as its factorization.

102668446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51334225.

The product of its (nonzero) digits is 55296, while the sum is 37.

The square root of 102668446 is about 10132.5439056537. The cubic root of 102668446 is about 468.2513047517.

The spelling of 102668446 in words is "one hundred two million, six hundred sixty-eight thousand, four hundred forty-six".