61544098350 has 96 divisors (see below), whose sum is σ = 193815095040. Its totient is φ = 14067220320.

The previous prime is 61544098339. The next prime is 61544098351. The reversal of 61544098350 is 5389044516.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a junction number, because it is equal to n+sod(n) for n = 61544098296 and 61544098305.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61544098351) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3246852 + ... + 3265751.

It is an arithmetic number, because the mean of its divisors is an integer number (2018907240).

Almost surely, 2^61544098350 is an apocalyptic number.

61544098350 is an abundant number, since it is smaller than the sum of its proper divisors (132270996690).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

61544098350 is a wasteful number, since it uses less digits than its factorization.

61544098350 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6512631 (or 6512620 counting only the distinct ones).

The product of its (nonzero) digits is 518400, while the sum is 45.

The spelling of 61544098350 in words is "sixty-one billion, five hundred forty-four million, ninety-eight thousand, three hundred fifty".