1611166165152 has 48 divisors (see below), whose sum is σ = 4280266761120. Its totient is φ = 530584838912.

The previous prime is 1611166165121. The next prime is 1611166165183. The reversal of 1611166165152 is 2515616611161.

It is an interprime number because it is at equal distance from previous prime (1611166165121) and next prime (1611166165183).

It is a tau number, because it is divible by the number of its divisors (48).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 101094327 + ... + 101110262.

It is an arithmetic number, because the mean of its divisors is an integer number (89172224190).

Almost surely, 2^{1611166165152} is an apocalyptic number.

1611166165152 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1611166165152 is an abundant number, since it is smaller than the sum of its proper divisors (2669100595968).

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

1611166165152 is a wasteful number, since it uses less digits than its factorization.

1611166165152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 202204685 (or 202204677 counting only the distinct ones).

The product of its digits is 64800, while the sum is 42.

The spelling of 1611166165152 in words is "one trillion, six hundred eleven billion, one hundred sixty-six million, one hundred sixty-five thousand, one hundred fifty-two".