102666963 has 16 divisors (see below), whose sum is σ = 163247616. Its totient is φ = 56115840.

The previous prime is 102666919. The next prime is 102667007. The reversal of 102666963 is 369666201.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (102666919) and next prime (102667007).

It is not a de Polignac number, because 102666963 - 2²² = 98472659 is a prime.

It is a super-4 number, since 4×102666963⁴ (a number of 33 digits) contains 4444 as substring.

It is not an unprimeable number, because it can be changed into a prime (102666163) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 105798 + ... + 106763.

It is an arithmetic number, because the mean of its divisors is an integer number (10202976).

Almost surely, 2^102666963 is an apocalyptic number.

102666963 is a deficient number, since it is larger than the sum of its proper divisors (60580653).

102666963 is a wasteful number, since it uses less digits than its factorization.

102666963 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 212594.

The product of its (nonzero) digits is 69984, while the sum is 39.

The square root of 102666963 is about 10132.4707253463. The cubic root of 102666963 is about 468.2490501803.

The spelling of 102666963 in words is "one hundred two million, six hundred sixty-six thousand, nine hundred sixty-three".