619429520161 has 16 divisors (see below), whose sum is σ = 645897732480. Its totient is φ = 593673308800.

The previous prime is 619429520131. The next prime is 619429520191. The reversal of 619429520161 is 161025924916.

It is an interprime number because it is at equal distance from previous prime (619429520131) and next prime (619429520191).

It is a cyclic number.

It is not a de Polignac number, because 619429520161 - 2⁷ = 619429520033 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (619429520131) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 399565 + ... + 1182586.

It is an arithmetic number, because the mean of its divisors is an integer number (40368608280).

Almost surely, 2^619429520161 is an apocalyptic number.

It is an amenable number.

619429520161 is a deficient number, since it is larger than the sum of its proper divisors (26468212319).

619429520161 is a wasteful number, since it uses less digits than its factorization.

619429520161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1582376.

The product of its (nonzero) digits is 233280, while the sum is 46.

The spelling of 619429520161 in words is "six hundred nineteen billion, four hundred twenty-nine million, five hundred twenty thousand, one hundred sixty-one".