3143661651 has 32 divisors (see below), whose sum is σ = 5067289920. Its totient is φ = 1914596352.

The previous prime is 3143661629. The next prime is 3143661667. The reversal of 3143661651 is 1561663413.

3143661651 is a `hidden beast` number, since 3 + 1 + 4 + 36 + 616 + 5 + 1 = 666.

3143661651 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 3143661651 - 2⁷ = 3143661523 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3143661691) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12120 + ... + 80213.

It is an arithmetic number, because the mean of its divisors is an integer number (158352810).

Almost surely, 2^3143661651 is an apocalyptic number.

3143661651 is a deficient number, since it is larger than the sum of its proper divisors (1923628269).

3143661651 is a wasteful number, since it uses less digits than its factorization.

3143661651 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92452 (or 92446 counting only the distinct ones).

The product of its digits is 38880, while the sum is 36.

The square root of 3143661651 is about 56068.3658670377. The cubic root of 3143661651 is about 1464.9133351180.

The spelling of 3143661651 in words is "three billion, one hundred forty-three million, six hundred sixty-one thousand, six hundred fifty-one".