103445666522 has 16 divisors (see below), whose sum is σ = 169288614144. Its totient is φ = 47016900000.

The previous prime is 103445666509. The next prime is 103445666561. The reversal of 103445666522 is 225666544301.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 90647 + ... + 463797.

It is an arithmetic number, because the mean of its divisors is an integer number (10580538384).

Almost surely, 2^103445666522 is an apocalyptic number.

103445666522 is a deficient number, since it is larger than the sum of its proper divisors (65842947622).

103445666522 is a wasteful number, since it uses less digits than its factorization.

103445666522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 385765.

The product of its (nonzero) digits is 1036800, while the sum is 44.

It can be divided in two parts, 103445 and 666522, that added together give a palindrome (769967).

The spelling of 103445666522 in words is "one hundred three billion, four hundred forty-five million, six hundred sixty-six thousand, five hundred twenty-two".