1611423246642 has 32 divisors (see below), whose sum is σ = 3516049525824. Its totient is φ = 488279937600.

The previous prime is 1611423246557. The next prime is 1611423246661. The reversal of 1611423246642 is 2466423241161.

It is a junction number, because it is equal to n+sod(n) for n = 1611423246594 and 1611423246603.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 335908 + ... + 1826384.

It is an arithmetic number, because the mean of its divisors is an integer number (109876547682).

Almost surely, 2^{1611423246642} is an apocalyptic number.

1611423246642 is an abundant number, since it is smaller than the sum of its proper divisors (1904626279182).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1611423246642 is a wasteful number, since it uses less digits than its factorization.

1611423246642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1506874.

The product of its digits is 331776, while the sum is 42.

The spelling of 1611423246642 in words is "one trillion, six hundred eleven billion, four hundred twenty-three million, two hundred forty-six thousand, six hundred forty-two".