1642046175952 has 60 divisors (see below), whose sum is σ = 3985570894116. Its totient is φ = 649600680960.

The previous prime is 1642046175943. The next prime is 1642046175967. The reversal of 1642046175952 is 2595716402461.

It can be written as a sum of positive squares in 2 ways, for example, as 968208768576 + 673837407376 = 983976^2 + 820876^2 .

It is a Harshad number since it is a multiple of its sum of digits (52).

It is a self number, because there is not a number n which added to its sum of digits gives 1642046175952.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 80545449 + ... + 80565832.

Almost surely, 2^{1642046175952} is an apocalyptic number.

It is an amenable number.

1642046175952 is an abundant number, since it is smaller than the sum of its proper divisors (2343524718164).

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

1642046175952 is a wasteful number, since it uses less digits than its factorization.

1642046175952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161111316 (or 161111303 counting only the distinct ones).

The product of its (nonzero) digits is 3628800, while the sum is 52.

The spelling of 1642046175952 in words is "one trillion, six hundred forty-two billion, forty-six million, one hundred seventy-five thousand, nine hundred fifty-two".