1566962541 has 24 divisors (see below), whose sum is σ = 2290142400. Its totient is φ = 1032327936.

The previous prime is 1566962531. The next prime is 1566962557. The reversal of 1566962541 is 1452696651.

1566962541 is a `hidden beast` number, since 15 + 6 + 6 + 9 + 625 + 4 + 1 = 666.

It is not a de Polignac number, because 1566962541 - 2⁷ = 1566962413 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1566962531) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1119360 + ... + 1120758.

It is an arithmetic number, because the mean of its divisors is an integer number (95422600).

Almost surely, 2^1566962541 is an apocalyptic number.

It is an amenable number.

1566962541 is a deficient number, since it is larger than the sum of its proper divisors (723179859).

1566962541 is a wasteful number, since it uses less digits than its factorization.

1566962541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2785 (or 2782 counting only the distinct ones).

The product of its digits is 388800, while the sum is 45.

The square root of 1566962541 is about 39584.8776807508. The cubic root of 1566962541 is about 1161.5008666688.

It can be divided in two parts, 15669 and 62541, that added together give a triangular number (78210 = T₃₉₅).

The spelling of 1566962541 in words is "one billion, five hundred sixty-six million, nine hundred sixty-two thousand, five hundred forty-one".