1901967196616 has 128 divisors (see below), whose sum is σ = 3902266368000. Its totient is φ = 865751846400.

The previous prime is 1901967196603. The next prime is 1901967196621. The reversal of 1901967196616 is 6166917691091.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (62).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 406487765 + ... + 406492443.

It is an arithmetic number, because the mean of its divisors is an integer number (30486456000).

Almost surely, 2^{1901967196616} is an apocalyptic number.

It is an amenable number.

1901967196616 is an abundant number, since it is smaller than the sum of its proper divisors (2000299171384).

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

1901967196616 is a wasteful number, since it uses less digits than its factorization.

1901967196616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5323 (or 5319 counting only the distinct ones).

The product of its (nonzero) digits is 6613488, while the sum is 62.

The spelling of 1901967196616 in words is "one trillion, nine hundred one billion, nine hundred sixty-seven million, one hundred ninety-six thousand, six hundred sixteen".