1631046156042 has 128 divisors (see below), whose sum is σ = 3504413445120. Its totient is φ = 505128960000.

The previous prime is 1631046156031. The next prime is 1631046156079. The reversal of 1631046156042 is 2406516401361.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 195260538 + ... + 195268890.

It is an arithmetic number, because the mean of its divisors is an integer number (27378230040).

Almost surely, 2^{1631046156042} is an apocalyptic number.

1631046156042 is an abundant number, since it is smaller than the sum of its proper divisors (1873367289078).

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

1631046156042 is a wasteful number, since it uses less digits than its factorization.

1631046156042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8800.

The product of its (nonzero) digits is 103680, while the sum is 39.

The spelling of 1631046156042 in words is "one trillion, six hundred thirty-one billion, forty-six million, one hundred fifty-six thousand, forty-two".