1601151155994 has 32 divisors (see below), whose sum is σ = 3450150857664. Its totient is φ = 492445094400.

The previous prime is 1601151155977. The next prime is 1601151156029. The reversal of 1601151155994 is 4995511511061.

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, 4338232 + ... + 4692819.

It is an arithmetic number, because the mean of its divisors is an integer number (107817214302).

Almost surely, 2^{1601151155994} is an apocalyptic number.

1601151155994 is an abundant number, since it is smaller than the sum of its proper divisors (1848999701670).

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

1601151155994 is a wasteful number, since it uses less digits than its factorization.

1601151155994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9033342.

The product of its (nonzero) digits is 243000, while the sum is 48.

The spelling of 1601151155994 in words is "one trillion, six hundred one billion, one hundred fifty-one million, one hundred fifty-five thousand, nine hundred ninety-four".