1618776157342 has 16 divisors (see below), whose sum is σ = 2469444504912. Its totient is φ = 795700221120.

The previous prime is 1618776157309. The next prime is 1618776157343. The reversal of 1618776157342 is 2437516778161.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1618776157343) 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, 18013009 + ... + 18102652.

It is an arithmetic number, because the mean of its divisors is an integer number (154340281557).

Almost surely, 2^{1618776157342} is an apocalyptic number.

1618776157342 is a deficient number, since it is larger than the sum of its proper divisors (850668347570).

1618776157342 is a wasteful number, since it uses less digits than its factorization.

1618776157342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36116043.

The product of its digits is 11854080, while the sum is 58.

The spelling of 1618776157342 in words is "one trillion, six hundred eighteen billion, seven hundred seventy-six million, one hundred fifty-seven thousand, three hundred forty-two".