3786240161 has 12 divisors (see below), whose sum is σ = 4263246372. Its totient is φ = 3358080000.

The previous prime is 3786240137. The next prime is 3786240169. The reversal of 3786240161 is 1610426873.

It can be written as a sum of positive squares in 2 ways, for example, as 815445136 + 2970795025 = 28556^2 + 54505^2 .

It is not a de Polignac number, because 3786240161 - 2⁶ = 3786240097 is a prime.

It is a super-2 number, since 2×3786240161² = 28671229113538611842, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (3786240169) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 376640 + ... + 386561.

It is an arithmetic number, because the mean of its divisors is an integer number (355270531).

Almost surely, 2^3786240161 is an apocalyptic number.

It is an amenable number.

3786240161 is a deficient number, since it is larger than the sum of its proper divisors (477006211).

3786240161 is a wasteful number, since it uses less digits than its factorization.

3786240161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 763264 (or 763253 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 38.

The square root of 3786240161 is about 61532.4317819473. The cubic root of 3786240161 is about 1558.6049550366.

The spelling of 3786240161 in words is "three billion, seven hundred eighty-six million, two hundred forty thousand, one hundred sixty-one".