1606897129740 has 192 divisors, whose sum is σ = 5215918675968. Its totient is φ = 362018764800.

The previous prime is 1606897129709. The next prime is 1606897129801. The reversal of 1606897129740 is 479217986061.

It is a Harshad number since it is a multiple of its sum of digits (60).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 203994682 + ... + 204002558.

It is an arithmetic number, because the mean of its divisors is an integer number (27166243104).

Almost surely, 2^{1606897129740} is an apocalyptic number.

1606897129740 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1606897129740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2607959337984).

1606897129740 is an abundant number, since it is smaller than the sum of its proper divisors (3609021546228).

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

1606897129740 is a wasteful number, since it uses less digits than its factorization.

1606897129740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14808 (or 14806 counting only the distinct ones).

The product of its (nonzero) digits is 9144576, while the sum is 60.

The spelling of 1606897129740 in words is "one trillion, six hundred six billion, eight hundred ninety-seven million, one hundred twenty-nine thousand, seven hundred forty".