1656234133442 has 32 divisors (see below), whose sum is σ = 2884992163200. Its totient is φ = 698471601408.

The previous prime is 1656234133441. The next prime is 1656234133451. The reversal of 1656234133442 is 2443314326561.

It is a super-2 number, since 2×1656234133442² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1656234133393 and 1656234133402.

It is not an unprimeable number, because it can be changed into a prime (1656234133441) 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, 3546017 + ... + 3985812.

It is an arithmetic number, because the mean of its divisors is an integer number (90156005100).

Almost surely, 2^{1656234133442} is an apocalyptic number.

1656234133442 is a deficient number, since it is larger than the sum of its proper divisors (1228758029758).

1656234133442 is a wasteful number, since it uses less digits than its factorization.

1656234133442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7532090.

The product of its digits is 1244160, while the sum is 44.

The spelling of 1656234133442 in words is "one trillion, six hundred fifty-six billion, two hundred thirty-four million, one hundred thirty-three thousand, four hundred forty-two".