1616374526320 has 20 divisors (see below), whose sum is σ = 3758070773880. Its totient is φ = 646549810496.

The previous prime is 1616374526287. The next prime is 1616374526353. The reversal of 1616374526320 is 236254736161.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1616374526287) and next prime (1616374526353).

It is a tau number, because it is divible by the number of its divisors (20).

It is a super-2 number, since 2×1616374526320² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10102340710 + ... + 10102340869.

It is an arithmetic number, because the mean of its divisors is an integer number (187903538694).

Almost surely, 2^{1616374526320} is an apocalyptic number.

1616374526320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1616374526320 is an abundant number, since it is smaller than the sum of its proper divisors (2141696247560).

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

1616374526320 is a wasteful number, since it uses less digits than its factorization.

1616374526320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20204681592 (or 20204681586 counting only the distinct ones).

The product of its (nonzero) digits is 1088640, while the sum is 46.

The spelling of 1616374526320 in words is "one trillion, six hundred sixteen billion, three hundred seventy-four million, five hundred twenty-six thousand, three hundred twenty".