1616432201245 has 8 divisors (see below), whose sum is σ = 1971517308120. Its totient is φ = 1271946649920.

The previous prime is 1616432201231. The next prime is 1616432201303. The reversal of 1616432201245 is 5421022346161.

It can be written as a sum of positive squares in 4 ways, for example, as 158392856196 + 1458039345049 = 397986^2 + 1207493^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1616432201245 - 2²³ = 1616423812637 is a prime.

It is a super-2 number, since 2×1616432201245² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2649888550 + ... + 2649889159.

It is an arithmetic number, because the mean of its divisors is an integer number (246439663515).

Almost surely, 2^{1616432201245} is an apocalyptic number.

It is an amenable number.

1616432201245 is a deficient number, since it is larger than the sum of its proper divisors (355085106875).

1616432201245 is an equidigital number, since it uses as much as digits as its factorization.

1616432201245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5299777775.

The product of its (nonzero) digits is 69120, while the sum is 37.

The spelling of 1616432201245 in words is "one trillion, six hundred sixteen billion, four hundred thirty-two million, two hundred one thousand, two hundred forty-five".