1616031214001 has 4 divisors (see below), whose sum is σ = 1616069094900. Its totient is φ = 1615993333104.

The previous prime is 1616031213977. The next prime is 1616031214019. The reversal of 1616031214001 is 1004121306161.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 506061504400 + 1109969709601 = 711380^2 + 1053551^2 .

It is a cyclic number.

It is not a de Polignac number, because 1616031214001 - 2¹⁰ = 1616031212977 is a prime.

It is a super-2 number, since 2×1616031214001² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1616031214601) 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, 18876386 + ... + 18961803.

It is an arithmetic number, because the mean of its divisors is an integer number (404017273725).

Almost surely, 2^{1616031214001} is an apocalyptic number.

It is an amenable number.

1616031214001 is a deficient number, since it is larger than the sum of its proper divisors (37880899).

1616031214001 is an equidigital number, since it uses as much as digits as its factorization.

1616031214001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37880898.

The product of its (nonzero) digits is 864, while the sum is 26.

The spelling of 1616031214001 in words is "one trillion, six hundred sixteen billion, thirty-one million, two hundred fourteen thousand, one".