102092278646 has 32 divisors (see below), whose sum is σ = 155555461152. Its totient is φ = 50246784000.

The previous prime is 102092278643. The next prime is 102092278681. The reversal of 102092278646 is 646872290201.

It is a self number, because there is not a number n which added to its sum of digits gives 102092278646.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102092278643) 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, 54390260 + ... + 54392136.

It is an arithmetic number, because the mean of its divisors is an integer number (4861108161).

Almost surely, 2^102092278646 is an apocalyptic number.

102092278646 is a deficient number, since it is larger than the sum of its proper divisors (53463182506).

102092278646 is a wasteful number, since it uses less digits than its factorization.

102092278646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3344.

The product of its (nonzero) digits is 580608, while the sum is 47.

The spelling of 102092278646 in words is "one hundred two billion, ninety-two million, two hundred seventy-eight thousand, six hundred forty-six".