1606102121564 has 6 divisors (see below), whose sum is σ = 2810678712744. Its totient is φ = 803051060780.

The previous prime is 1606102121549. The next prime is 1606102121573. The reversal of 1606102121564 is 4651212016061.

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, 200762765192 + ... + 200762765199.

It is an arithmetic number, because the mean of its divisors is an integer number (468446452124).

Almost surely, 2^{1606102121564} is an apocalyptic number.

It is an amenable number.

1606102121564 is a deficient number, since it is larger than the sum of its proper divisors (1204576591180).

1606102121564 is a wasteful number, since it uses less digits than its factorization.

1606102121564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 401525530395 (or 401525530393 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 35.

The spelling of 1606102121564 in words is "one trillion, six hundred six billion, one hundred two million, one hundred twenty-one thousand, five hundred sixty-four".