1616148149431 has 2 divisors, whose sum is σ = 1616148149432. Its totient is φ = 1616148149430.

The previous prime is 1616148149311. The next prime is 1616148149449. The reversal of 1616148149431 is 1349418416161.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1616148149431 - 2²⁷ = 1616013931703 is a prime.

It is a super-2 number, since 2×1616148149431² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1616148149471) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 808074074715 + 808074074716.

It is an arithmetic number, because the mean of its divisors is an integer number (808074074716).

Almost surely, 2^{1616148149431} is an apocalyptic number.

1616148149431 is a deficient number, since it is larger than the sum of its proper divisors (1).

1616148149431 is an equidigital number, since it uses as much as digits as its factorization.

1616148149431 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 497664, while the sum is 49.

The spelling of 1616148149431 in words is "one trillion, six hundred sixteen billion, one hundred forty-eight million, one hundred forty-nine thousand, four hundred thirty-one".