619315510161 has 4 divisors (see below), whose sum is σ = 825754013552. Its totient is φ = 412877006772.

The previous prime is 619315510117. The next prime is 619315510171. The reversal of 619315510161 is 161015513916.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 619315510161 - 2¹⁹ = 619314985873 is a prime.

It is a super-2 number, since 2×619315510161² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (619315510171) 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, 103219251691 + ... + 103219251696.

It is an arithmetic number, because the mean of its divisors is an integer number (206438503388).

Almost surely, 2^619315510161 is an apocalyptic number.

It is an amenable number.

619315510161 is a deficient number, since it is larger than the sum of its proper divisors (206438503391).

619315510161 is a wasteful number, since it uses less digits than its factorization.

619315510161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 206438503390.

The product of its (nonzero) digits is 24300, while the sum is 39.

The spelling of 619315510161 in words is "six hundred nineteen billion, three hundred fifteen million, five hundred ten thousand, one hundred sixty-one".