61162549942 has 64 divisors (see below), whose sum is σ = 102836127744. Its totient is φ = 27092229120.

The previous prime is 61162549939. The next prime is 61162549949. The reversal of 61162549942 is 24994526116.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61162549949) 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, 64585113 + ... + 64586059.

It is an arithmetic number, because the mean of its divisors is an integer number (1606814496).

Almost surely, 2^61162549942 is an apocalyptic number.

61162549942 is a gapful number since it is divisible by the number (62) formed by its first and last digit.

61162549942 is a deficient number, since it is larger than the sum of its proper divisors (41673577802).

61162549942 is a wasteful number, since it uses less digits than its factorization.

61162549942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1573.

The product of its digits is 933120, while the sum is 49.

The spelling of 61162549942 in words is "sixty-one billion, one hundred sixty-two million, five hundred forty-nine thousand, nine hundred forty-two".