1601011650156 has 48 divisors (see below), whose sum is σ = 3748950239328. Its totient is φ = 531779584000.

The previous prime is 1601011650109. The next prime is 1601011650191. The reversal of 1601011650156 is 6510561101061.

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, 4411276 + ... + 4760396.

It is an arithmetic number, because the mean of its divisors is an integer number (78103129986).

Almost surely, 2^{1601011650156} is an apocalyptic number.

It is an amenable number.

1601011650156 is an abundant number, since it is smaller than the sum of its proper divisors (2147938589172).

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

1601011650156 is a wasteful number, since it uses less digits than its factorization.

1601011650156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 350482 (or 350480 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 33.

The spelling of 1601011650156 in words is "one trillion, six hundred one billion, eleven million, six hundred fifty thousand, one hundred fifty-six".