1606261633630 has 8 divisors (see below), whose sum is σ = 2891270940552. Its totient is φ = 642504653448.

The previous prime is 1606261633621. The next prime is 1606261633637. The reversal of 1606261633630 is 363361626061.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-3 number, since 3×1606261633630³ (a number of 38 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1606261633637) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 80313081672 + ... + 80313081691.

It is an arithmetic number, because the mean of its divisors is an integer number (361408867569).

Almost surely, 2^{1606261633630} is an apocalyptic number.

1606261633630 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1606261633630 is a deficient number, since it is larger than the sum of its proper divisors (1285009306922).

1606261633630 is a wasteful number, since it uses less digits than its factorization.

1606261633630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160626163370.

The product of its (nonzero) digits is 419904, while the sum is 43.

The spelling of 1606261633630 in words is "one trillion, six hundred six billion, two hundred sixty-one million, six hundred thirty-three thousand, six hundred thirty".