1656339413430 has 32 divisors (see below), whose sum is σ = 4281000331104. Its totient is φ = 407714317056.

The previous prime is 1656339413389. The next prime is 1656339413447. The reversal of 1656339413430 is 343149336561.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 1656339413430.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2123511679 + ... + 2123512458.

It is an arithmetic number, because the mean of its divisors is an integer number (133781260347).

Almost surely, 2^{1656339413430} is an apocalyptic number.

1656339413430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1656339413430 is an abundant number, since it is smaller than the sum of its proper divisors (2624660917674).

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

1656339413430 is a wasteful number, since it uses less digits than its factorization.

1656339413430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4247024160.

The product of its (nonzero) digits is 2099520, while the sum is 48.

The spelling of 1656339413430 in words is "one trillion, six hundred fifty-six billion, three hundred thirty-nine million, four hundred thirteen thousand, four hundred thirty".