1606651072120 has 64 divisors (see below), whose sum is σ = 3772743505920. Its totient is φ = 614619882624.

The previous prime is 1606651072099. The next prime is 1606651072121. The reversal of 1606651072120 is 212701566061.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 1606651072120.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1606651072121) 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, 5720499 + ... + 5994781.

It is an arithmetic number, because the mean of its divisors is an integer number (58949117280).

Almost surely, 2^{1606651072120} is an apocalyptic number.

1606651072120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1606651072120 is an abundant number, since it is smaller than the sum of its proper divisors (2166092433800).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1606651072120 is a wasteful number, since it uses less digits than its factorization.

1606651072120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 280684 (or 280680 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 37.

The spelling of 1606651072120 in words is "one trillion, six hundred six billion, six hundred fifty-one million, seventy-two thousand, one hundred twenty".