61473661562 has 64 divisors (see below), whose sum is σ = 99431055360. Its totient is φ = 28436196096.

The previous prime is 61473661541. The next prime is 61473661567. The reversal of 61473661562 is 26516637416.

It is a super-2 number, since 2×61473661562² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (47).

It is not an unprimeable number, because it can be changed into a prime (61473661567) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 101274263 + ... + 101274869.

It is an arithmetic number, because the mean of its divisors is an integer number (1553610240).

Almost surely, 2^61473661562 is an apocalyptic number.

61473661562 is a deficient number, since it is larger than the sum of its proper divisors (37957393798).

61473661562 is a wasteful number, since it uses less digits than its factorization.

61473661562 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1155.

The product of its digits is 1088640, while the sum is 47.

The spelling of 61473661562 in words is "sixty-one billion, four hundred seventy-three million, six hundred sixty-one thousand, five hundred sixty-two".