1616616015497 has 8 divisors (see below), whose sum is σ = 1848118857216. Its totient is φ = 1385252597952.

The previous prime is 1616616015467. The next prime is 1616616015499. The reversal of 1616616015497 is 7945106166161.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 1616616015497 - 2¹⁰ = 1616616014473 is a prime.

It is a super-2 number, since 2×1616616015497² (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 (1616616015499) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34831193 + ... + 34877574.

It is an arithmetic number, because the mean of its divisors is an integer number (231014857152).

Almost surely, 2^{1616616015497} is an apocalyptic number.

It is an amenable number.

1616616015497 is a deficient number, since it is larger than the sum of its proper divisors (231502841719).

1616616015497 is an equidigital number, since it uses as much as digits as its factorization.

1616616015497 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69712087.

The product of its (nonzero) digits is 1632960, while the sum is 53.

The spelling of 1616616015497 in words is "one trillion, six hundred sixteen billion, six hundred sixteen million, fifteen thousand, four hundred ninety-seven".